{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x5199cac1de3c7f62b2500ed6ad5f2cd7a676d1ceed3dd28c2270ff2ec4a13ff2",
    "signature": "0x063dcc0143a7d02c291e042f81ec323ff2f1e97cd42925f4c8712069dcec3b5a62b13ff8a7033284f761f6ddb237c70f8ff84bf8f208f3ebdbc1043f748773c51b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}