{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2011332",
    "entityType": "User",
    "nonce": "0xd9f0b9f4400ba22d3ccdf0b160f955e7d794777db5fb188eaab11fd0ca46bfa3",
    "signature": "0x370f1a5222731bdba2e9855b668f595c6b64b37a23447d62c56bf8029db5e3e759157696b5032c3f76fc9c2dfb04638fd01c194d9320ff36a898150742cea1601b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}