{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41335",
    "entityType": "User",
    "nonce": "0xa8fece1f089e0b4cf3c9d181f5a8c36b9829faf47ba47b5951b099cef1b9dcaa",
    "signature": "0x77a7b8f5468a5dad6384997ad1d16c2a06cf2b1fe4f1aa2db2f9c2431f2a27b11e9fb008379b3d093ae1ce8c877480ce349c2b52bc5faea01c14a804235841f01c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}