{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381947",
    "entityType": "User",
    "nonce": "0xe73e137e7a021349cf8e5279ced03f16e65022dbe0661725d2545c2930c2ac20",
    "signature": "0x5bb248928244b0ecd15133897949619f0d1888bfec10b4c0716e6e88619ee7e76ab5c163cc6995e1629342c6ae1b8ed306ea567a43a7d99c7ebb42204730ff1b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}