{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2112641074",
    "entityType": "Event",
    "nonce": "0x86fa269e905db9b1790db6e9d91a1008020f4817aad1306a1f95f74e6c49f80a",
    "signature": "0xa28eeabc4983c5bc87f0e6e13ec7c29b36856b3e265e97cbaf65efc9ee6714494f65682a0c4e91ff9c635e9360ae2faf731f9f6dbc68ad9cc1bf330f801e22641c",
    "signer": "0xD5c99f0E90607006e9f2122df21aD7A524E744aF",
    "userId": "306721"
  }
}