{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254245",
    "entityType": "User",
    "nonce": "0x31f0549d33d0a1ab1213f4f7393cc65436e86453fe6ec7d6c67236a1223eb797",
    "signature": "0x3eb6f8565fdedb93cf0a51ce2d9e6d299c390527ecb7210eeab74f612521a886447a4d16d5fb51428ec60b5d646cdefe080ab8a41639363f672026cbb7c210041c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}