{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8113",
    "entityType": "User",
    "nonce": "0xd247c464d38fb152a010402c9fb74b497fe0a1bf13683d3b6cf8ce37b83a4c76",
    "signature": "0xcd439c865f80817241ab4a879ab9e16a6195aa60c52c5495b5b2205efd3c651049601f6a07c30b8118e43ea7b9c7aa9206f318619d0cd3315053d9aa79c2c5b81c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}