{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xef2fe158fe72cb55120c8437f6cf578742f8913a439c5720cf4f8febf6b5a330",
    "signature": "0xd6064317aedb2ddec02a8a8c8ba4cf2c88299275c28b19cd0d2418e2294bc4ed17df779756644712d9bb4faae22be87ecefbeff7e0cb4f709e66fcbc0088f5a91c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}