{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x621f5b65e72f093bc726787f864a01ab70532e111caedfe92f2198cd3b6ec708",
    "signature": "0xa69056855547a32315b65e61107ec9e94885f3ca4cc7206ca8146c9235f177b55569207fc7df2c8215ab348dd746a76165e971bc66245f10576de338263a9f271b",
    "signer": "0x3fb1bfc1A904DCb211FDe58A7203F73e6a4D6668",
    "userId": "379730232"
  }
}