{
  "manageEntity": {
    "action": "Update",
    "entityId": "866728917",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5c6565e02f2fb2163176fe28628a973c3a8f494db9a9c177a70ec523d24f5ce5",
    "signature": "0xc2fa24d42d29a6cc900560085574cfc90d3bb5180cd882ed67196e32811a90bf62ffa4e0235964d4ff328ea57a5861052abe07882a9f2650fc00a9caed921aa41b",
    "signer": "0xAf58252A9b1dC690e4AB259b9F5B1b7822764a64",
    "userId": "866728917"
  }
}