{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967911423",
    "entityType": "User",
    "nonce": "0x59b24e27e67b41e5ea4b42ba202c09d165964e39910ab6c74bc927da1af8f309",
    "signature": "0xdc8525adbe10d32bbd67d3f0b70bd542709093af59ab81093b9e71ec097931b558a15bb37dfbcce22897cae4ca6875636c53fcbb943126b007454f29177216ff1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}