{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235338",
    "entityType": "User",
    "nonce": "0x17613bbc94cd9928c7a87f88e1985f2c41f91bf1dcdaeb64be10d31ee4b131f1",
    "signature": "0x9826fda3d964410318ae5fd56882e9a1a044a764c88d7eb22d6679545592a5b90c7fee36c948dc4e580ac73441032e28ab57089fd6a0543a57cb2073fe1d3c1b1c",
    "signer": "0x18b5D7Cc922Ecc37bdB131b61E14eF5240cE064d",
    "userId": "744672373"
  }
}