{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85481",
    "entityType": "User",
    "nonce": "0xa8e1b22109f3ebd19da86f2ddc76d0cfd152d6b8236cd92a1b6258fcde556601",
    "signature": "0xc11cebec91b17e9ae2896c93ba572f446fdbb277a605d9cd9fe521adb061929d2bd5db4348fdacb35ca780358ba6371ee4d638067947dd645b392674ffd8e7121c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}