{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "635",
    "entityType": "User",
    "nonce": "0x3420d7f5ea706dd51671f35a88a5700fa9fd93986bf7b2003ab78aff7e98720f",
    "signature": "0xd1d5f3d71709a1bc6e5120ee4bced41277ab68343e6323f01f89a65782298c92771260f579fb40defecd90d69af3e0fa29d2f179d1539bbfe9492cdae1baebb01c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}