{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984172272",
    "entityType": "User",
    "nonce": "0x6008cc0b97b57265c1f107e8e0494b0f29866779c91a7f8d84179ab840f4dfb0",
    "signature": "0xd981435edd8f118bb0657add9ebf03505e2b1f04e8062b4122e7ea64994eac1c4b3c1ae3538607e8b16ea29c4a4ff21a50f66668d4486d40b3c9cc3a0e59aea21b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}