{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0x4e27e581b712a910c3a4c07a543e4ab46407ca65b703c9fa97bae4c081cacc87",
    "signature": "0x7fad4142db4086eb6b2868fb31e527ae9b92454c8d918c6cb3714683f8a81bb07fe655cbb111c8358a98f330d73cd6b592deee5d8599bc65bf1e09860584262f1b",
    "signer": "0x0C9AEa01FA89c6397d469Cc761335021a2a5B07C",
    "userId": "364579809"
  }
}