{
  "manageEntity": {
    "action": "Update",
    "entityId": "706177668",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb36ebbbff9c5726e8d1f0ea3890feb26676b4f4a93cdeaee630836b97a457ca2",
    "signature": "0x8c2e7ebf8e58af6f392ac60b2faab014d62423f28fba6913a329880d7f2f9a110845b306f23b5c5fe268df1e0a7e0fb7cce1c12454493250ce12c679b6a2cb091c",
    "signer": "0xa153977DafF5771350d33A34100b15CE1B8673F1",
    "userId": "706177668"
  }
}