{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xb00f5abf8d0656981045eaece6118e3ac4ee18e12346ec80dd478d1456236e86",
    "signature": "0x6a05b71baa17b3ea60f489215e4f3696a67879aeac5f87bdd73d0c094782d9f11107a877272c149abf18e8035891fb7cec40ad13b9b8b115f7a4f9eeb11c785f1b",
    "signer": "0x3EC8c7F4Fec5D21Be724bB4D43502e44e018690F",
    "userId": "53828"
  }
}