{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1951947260",
    "entityType": "Event",
    "nonce": "0x7496e8885b1825541b75a0b5753c6454caa91f462280948cbdd2bd5ba4a0ef19",
    "signature": "0x946c9db0d5438fcad96c5ecca922f84783bc8bc827431466c874094cad43805005d1db97cac55d3b014ddc7fd710eaf3a6e379dc4cf4900c48834a6a9a023e631c",
    "signer": "0x9c1a2996a6DCe12e947BD7C8A755b6150A3eD5f4",
    "userId": "474113241"
  }
}