{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x2197dfa1147eebc6ad8d216a9cf5dda9c423fba878d2a6daa3cce537ef694bfe",
    "signature": "0xb0d3009669421ff968977865c3c7faf7ca950cbc7fd8e506f0621dece1e1425237d3ce1b3806b0fc167efa9a820de2bd2165acba73c8fa96b9d57e656b7ba2421c",
    "signer": "0x1F75162Eb21d74EBC3C9f760c519537fB9D2c0e2",
    "userId": "138483"
  }
}