{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x54ba26aba08262c1c52de3f0e286b27bf2403d6824c30d39a2407ac7ed572c7d",
    "signature": "0xbb1d82e09328ad6f7a4d36c3d7ea737a0712225c0e8b8e333178177a4a8f04893b03f3e4466331aca0bcf15bf464e2cdb79399c690a45b0d9115f20da32594bb1c",
    "signer": "0xe1E4dcac3fc9927b3C387D00a5E05Bf32a491482",
    "userId": "714916115"
  }
}