{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1535468",
    "entityType": "User",
    "nonce": "0x097973bcd8a1577bbd8aecbdc9cfc62424fdd81215c61c79bac8d155a12f0bac",
    "signature": "0x246c51ed769729403336260923b9653127441295a759f06fb4877e31ba744d963f6d80bff826774bdebfe1f28afba665652f7027751f4f227bbffa07a2e025d31b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}