{
  "manageEntity": {
    "action": "Update",
    "entityId": "804868697",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x03212f881c2f413b3087a01642e62dad98c6180cacfc8caacaddf872786e31d9",
    "signature": "0xaf7f1591284c94cf10b4f42e7fcbcd0b758bdb7fefeb78b2e7e1d625d622d47944d83dc83dd8b35d59c30c8f9196dc10ad6929b8d54e63c88fd5d7c8d7fad3401c",
    "signer": "0xB333b4372f42011B3e426635c2e5b76E2a4E52A8",
    "userId": "804868697"
  }
}