{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4338",
    "entityType": "User",
    "nonce": "0xd79178cb1e28a91a0bbd6bea7fa58ed2a6e19a14994c5924034d6606ec3ee367",
    "signature": "0xc1cd16fd5dfca84ad0a7d35516200a01056a2d1f459d194bb7da7f27f50e430d3e62bdc48824e2ee412ed511dbdb70ebb7caa097e00d56ab0934bb195138b32f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}