{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "853042987",
    "entityType": "Event",
    "nonce": "0x902f103b97be4de1addd5c1cff16ac86669975a9ee87e859b7c3ad529139f7d9",
    "signature": "0xecf114a072c92fe7080aba46a1973e053100675f66c5555b5943a68a91daeed5376df7788600880bf043895da291b0c89bd46caf85b4b5ba250169eefa4471481c",
    "signer": "0x0eaC352dF70F508A73F9a2d98dab708737beAB8C",
    "userId": "820616115"
  }
}