{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787102835",
    "entityType": "User",
    "nonce": "0x14b219a66af21f4b95e896f73ad66644da1c4e03cfdf9c04e8ca3912cbea14ac",
    "signature": "0x4cc6b8456acb20a3d9ffbd2e959d19a2ac4456bc0da83fbd455db4b5e51bc21764acf489c9d11de98639a10c7ecda293831b4725075ffbbb45275735b124468e1c",
    "signer": "0x2CD314789C9583D12b6F54862F9E2cf505880Ad9",
    "userId": "354640"
  }
}