{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66027",
    "entityType": "User",
    "nonce": "0x04adf4196794674ff918f626b4b463be49cf51242642b5f91bc8f13842376db0",
    "signature": "0xe8ca6162423df9dd5b4411fde0a84820592fd7d87219a58dbeb0e2b1420087040bf227c650fdb1caedef9b7b3cc08e03ce11b080c13c935ffe468e4cc7f31d431b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}