{
  "manageEntity": {
    "action": "Update",
    "entityId": "779265865",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc3a246799b2e39f8bb346049b03d2ffd1da2960fa7abf762590abb1527144bd8",
    "signature": "0xa6638702b392e6f09097b46110963ba5af0c4d4e5406f84ef0a82a313458732d12faefac331eb5ffb05caca629f57cfe58736800d81c99c05b5a18f7762628001c",
    "signer": "0xf79450e70C7132D92f91A33eFCA686b1887B6C9C",
    "userId": "779265865"
  }
}