{
  "manageEntity": {
    "action": "Update",
    "entityId": "849918044",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xad5b9e8aea825f8c717bf73a9a406403fafdf3a218401b9fb084c1f5e6e72a9d",
    "signature": "0x05c24bfe52db1eb5064e9c1e8b423b281a1a861603cbf4ff332fa37549e3fb1a60cab004812ed5c4b13deedc64ed0086ed04dbac745b80e12735f84451c57b991c",
    "signer": "0x2eA69295eDcdC9f8941Fa95AD49DD39D3840F43b",
    "userId": "849918044"
  }
}