{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0x99ba73e63accc6e9c1d611476fe16a0a6c979398b45baba1ef40bd647ba40bdd",
    "signature": "0x43676bd619cd56110e437915d0fd54be38f0ac90afdb5755b3554dbd4ebb12804ef157eb91b684d5aaec741c5ad52e9c4e8c12c23a1ce64387f5eca614e0e6661c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}