{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993206398",
    "entityType": "User",
    "nonce": "0xa5d188b6a187fca51f25a7b5cea9015205231402ea21ce1d7a9c0d4619184e95",
    "signature": "0xb1be1e971509e0a4fa1033141068e7add4add827460304ab9edfca4842a55be376c194509f613fd388c63d094113d0acf2901f9c46f51aa27765638893ea07f11b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}