{
  "manageEntity": {
    "action": "Update",
    "entityId": "416741831",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2kbd6cdb6zbr4htis7rlky3dthntsksu2gasa5q2dtxmpxraznnq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2033423721}]}}}",
    "nonce": "0x802913d05e46e9181fba89f48f91654efa61899dbdb1dd5843f61f4986a24b5b",
    "signature": "0x12d92d9f1e12e6aa874dc7b63c33d4e54a37ce642970251648b427b0bc0c57212db4fba1c9257002ea28937f7467c15a5076c709c000068978fafbd4224208841b",
    "signer": "0xA84a9A3d7f3574999046Ebaf25EE96c849774a2E",
    "userId": "416741831"
  }
}