{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x28861c89c12ad0ebab2fbbf14f7cd623023eca56681538c0ced81a1156690b18",
    "signature": "0x26b2d042ae058103c418550f3f532964c78224baaff14b4a7a0e7dddbdbd0b6610cb9b1fa3ac95dcd22e6c9e1a0a8d4ce486f6652dd483fe25317942c2fdb9fb1b",
    "signer": "0x8812Cba1eBe73A6206EB227f61edaFB37944A27A",
    "userId": "992680003"
  }
}