{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18348",
    "entityType": "User",
    "nonce": "0x4896947189999a6b03873135328495758a56a04f7fc033771837b137dd3719cc",
    "signature": "0x63a74d94c63ddcfcf10ec9307fdd93d2a29b5e0e3bdccbfce5cc02e7187bbe9058aeb60f0bf3c943f3157df9f8973ed529bee92bacd12ec466af943a27db2ce81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}