{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165244",
    "entityType": "User",
    "nonce": "0x3efd43230d1bfe763c94895d1509cfa48b33f57aa84aeb23f124c90413336c99",
    "signature": "0x2d66f28f7b6ed922cef5f05603def1b9468a00cdcad600040d7ce7f3271ef0d73fea088d675d9f4c394c2034a4974899498d218a9efe3e8853c49c808f15d4881b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}