{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0xef30aeab6c3388ac9af639fdad09f34e35f336b1fdcc4751b70489bfe138d7e5",
    "signature": "0xdabd1ff85f8758fbdd028eff692de9aa2116ab9faea5b4509be0451b913277ad031c5bd5a37bdeea402f4dfe6d1cd7cc771bf79a8ba778d80cb5d2186ecd8c6b1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}