{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x31d46bb1d9f91e141e162f89a21ee1b02e9acfe19a38d0d57f712bd12c78f45c",
    "signature": "0x9ae764d4d7269db8def57d4606715284945b38b22dec5bd69d6078abb1d52979122e39ba78a04941aac3173a976f4767f666341eeb797df3cc9e14a75bbdab861b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}