{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854446989",
    "entityType": "User",
    "nonce": "0xaf41a88c6fa157d2fd1188d822a099d5a8804a72882dfab45c8cefd3b95a83e5",
    "signature": "0x8eae65797ef703af7750aa102b4b37aed52bf8f78651047a5607c62267a80b236f96733d1c0c1d6fb6df8973ef743eb298d57836135880b210e11af676d51bbe1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}