{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288167767",
    "entityType": "User",
    "nonce": "0x13713c8d0d3b17183bbb0139b06342fccf27930420af4edaed60efe03d784562",
    "signature": "0x74ab15768c7314a5bdc6e6f6598c7a6241d0cd76fcae71a9f30e000674b598177c78e59eb21b08f5366eeeb8a5a123edba7b71f290d610fb3d12efafb242522f1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}