{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9bda1c34affebdd3098841677f6be9d596630e700eefd6daa6425b958513e87c",
    "signature": "0xaede24d98347bb216f031197d03924415601b0ac8f3d671ca7b2c6c8a7cd9b9b7de01387b71de34fa765c5ac839312385a8779bce6401319570d3d56324c1c151b",
    "signer": "0x67462e82673772e8CA9F82dDFb0019F5b07866f1",
    "userId": "671407449"
  }
}