{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152447",
    "entityType": "User",
    "nonce": "0xb32c20ac7a8b1822ba4ace126f371490cb520f9ed7303377f34287ed5bc851d4",
    "signature": "0x583040682bcc913567fd15d040192a4d1b2bc04c8c14c4f735ce976e28f5c70a352e62a562c8ddace0098fa9e10ffcc67b04072c5a8181de2fb07d9d2f39bc091b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}