{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0xd32b28fffffd6c25908de3dff69a97929727f73aed9e7d04cf9d45891a0eed56",
    "signature": "0xf4b094db0774f7258fc1dc6f41781e01f1f6a0eb3a6980405c1d82fb2a6a16f96f3b75e99a1a931fde04dc02e9fded0599441ece91bee0796250cec899caa9221c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}