{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x89e27d73c07045eec6c96e64f86e035c88f61325edd811e6de55d46df9df178d",
    "signature": "0x50223806e64d8f1cd1e832777dbb71375dc3af60cccfc45b6be99f96f4240ad2763352858f2f7a2dfada11ef6bf8902c0f92e7d4bdde7ec91f551de3c55cb7ca1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}