{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46101",
    "entityType": "User",
    "nonce": "0x2130b4fd17024fe9c0e10fc31e87408ad91cdbacb476e92fbf970561edb2d40e",
    "signature": "0x9a5a89cbe0c78711bfe61c108c1264a6d8e3aafad89dd8be8650c83805a77e3d372b303a31392eb3f7c11a2b835b36eb0c9e5238f7bd66bb888d0b830e6b23cc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}