{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78669",
    "entityType": "User",
    "nonce": "0x9c905c5fd721d180b7a51ed63af1de13b9334bf6f6b81f9c6c27569a8473fb0e",
    "signature": "0x33ccd224982dc11c809f72b4e375c80c650414d3328c85f26b2432dfd5b0d1e7142eecbf87c5e662f72cc7da890bdc3f95a74daa2c492a95ed03e08b246d081c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}