{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x4fb51a9e3c942f9fca5bc4855a3bddb144d525073d5ca617b12079a4de626e0b",
    "signature": "0xa6785fa4d862410d262e90d6265e7ea11adde023bf2a5ab895a6c9c3f3d4429f30d7c42dbc9bc039cccdd792ebdcfe233f54fdb1a5cfcca98df4152ec91c9b8a1c",
    "signer": "0xfa9bAD5d3B41CeeD2b3a846C8f60536284D634b7",
    "userId": "317410"
  }
}