{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127735",
    "entityType": "User",
    "nonce": "0x7ce19264f2d48a50da3b9d9394ae9356c7437f08e1d78a43c6c3d8e4cd3ec8f6",
    "signature": "0x9b971e7ee593ae593f97239cfc27992fa56e5935381d550dd6b27498e3dff82014102efea740e626ef4532f34c4f0c7bc5f9dd1419f767279b5cf4cf5cdff4131c",
    "signer": "0x5a7B3A7caabFa09e84C3700488a4e04ed2167BDc",
    "userId": "661577095"
  }
}