{
  "manageEntity": {
    "action": "Update",
    "entityId": "58263579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratshisj2gkqoturs737uo57p3dy7f3vvuc6vhowuz3z2d5xlcjukq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1803143457},{\"type\":\"playlist\",\"playlist_id\":123602618}]}}}",
    "nonce": "0x2d144325c6cd2714bb25bd7c93af37d0b0313eeda3fde48c766569476bc1a962",
    "signature": "0xa5e06e63908690968cd6abee84ccc1d913691093a88d0708575babb64a265d1215f4e8aab3309cfe33faac9b6fb8593d0d17a91c4eece9300ef99135a66872e71c",
    "signer": "0x66f5043296664fF395A7cEfBBd8dA90224695997",
    "userId": "58263579"
  }
}