{
  "manageEntity": {
    "action": "Update",
    "entityId": "779265865",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5ba486c939bc4d610ac210f387c6ed6eba146383e1660988e1f1d0ac20c09dd2",
    "signature": "0x588e5c59ee76227186e6ad79b7933aed0b5a08b486d442ab601f731c135366e261ea2b7ddad22b84a6831d170de9d65c1477b205f1abe87185c415dc78e172ee1c",
    "signer": "0xf79450e70C7132D92f91A33eFCA686b1887B6C9C",
    "userId": "779265865"
  }
}