{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54812",
    "entityType": "User",
    "nonce": "0xabb9504aa183a64df6d1069990b464c57947d681062b15f1e3fc77c3930b36bc",
    "signature": "0x887eac265b949279974365b96b2bf82d23b1d1f4e41d32c401d86d955d751021456cb09a6c3516c2699baae90484da00e2073e550427a3d29a60c52f1306dafd1b",
    "signer": "0x334c1E156039f843FC1FC4B64FBc58136cE8414a",
    "userId": "973129552"
  }
}