{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x2ec2db4e0e15cfc95b24248d43b4a382041ba1885c997f99919bf1b96243462e",
    "signature": "0x8639bb2ff38bafaebd08b38574fbee10f36ef9dff58a1443b9811ad60e9bf3173017e0892a41422880da51aa2b62ae0acf2318f99d0d933cd23f634e6499a9b81c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}