{
  "manageEntity": {
    "action": "Update",
    "entityId": "97853881",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf9069ed63224d236d36239c3caff3f8c30af0a752c8e12202005c6c2d4bb7f38",
    "signature": "0x5c933bcb1e416e67564c02385c1f34b71c63142d0fafa4998540496902a1bb7e3d5ddfcfde25ee83e02f1bc7dbcb32f5b8b5a185e3767940710e9cd98442508b1c",
    "signer": "0x1202c4113214dBeA1880204A73bad7c763b8cE8a",
    "userId": "97853881"
  }
}