{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164812",
    "entityType": "User",
    "nonce": "0x0edaf07a0f1665e31662f1ed47fb4bd3f54015a29b166c021e46e6f1f110efb0",
    "signature": "0x87eba90ec9a4ffb9e7c5af4088f1cec321d0076c348d957b387b7cb8910e552d003ef382b25b7ab67f9c42bafbc0594ac4b48c4034a9fba086bf722807bfb9cc1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}