{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb22a2a5e0894cb4aeae61001b81ba619f9b4f1dc30e0a20732df495dc3557fa0",
    "signature": "0xd91ae6a117cc98f62d5493b38d872a67460b25ec3bcb1b82533fe919d0f70a745522d910182ae00b2ee4d5e824ede893dfa81a8ffba4292ca266a1af027ec1101c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}