{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x27eaf755316b8f5994fc9bf394db9ffe08d9d85d4587ec40fdedecbd8e0706e6",
    "signature": "0x4d3273532791bb63c127d799bbc6a179c75a82ed980ac65538570e45c26f7be31e04a95262a5a4712e4099c539efe44e3d449a7aa17ae41724914b5b05dc8f3a1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}