{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1864072838",
    "entityType": "Event",
    "nonce": "0x828d675c06b07b69e47233d984f3cc2815171164072d826644ad7c13d7c16c37",
    "signature": "0x4f9a3d4367ba254fb5710692de4db551ccb2465cf3bf84cb6e75a47e49200f8d290dcc932804779dc7714ff7939b2b1db6b5be6ea7afc58bc4cf7eaaa24d35251b",
    "signer": "0x1a14b86421cFD1157bB52D3B0799f0B24a926D3e",
    "userId": "693608897"
  }
}