{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1581756864",
    "entityType": "Event",
    "nonce": "0x125a7900bf7e34ab8176e619c18f80c9b6b5035b40d2ca01e7aae1ba383de3aa",
    "signature": "0x438874c85a65884f2aea3836477a9230980a4591c9afd1cca36b3fae9733121e1d13e5df8ff399f7e0b625311e463e907517416d7bc1f0a5768b76abc4ec7aa81c",
    "signer": "0x00f13F553eccfE5176dF52E33B05408f37e0335b",
    "userId": "43286"
  }
}