{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0x4bda0fe706c13f781ab5485d382bf8708b5cf202a7286b4abbcc60f3b91c9c41",
    "signature": "0x2129d8a47ca784ec7ea9ef1af90cd4359c88eaae6d3772a149c3b9f63784636713857771d72424cea17f4f4fea91de78410b9c2fad7347e2bec875e6fa1b9e891c",
    "signer": "0x03015d975f8B0d07425826BFAc15A4492F59a5B7",
    "userId": "658736296"
  }
}