{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158063",
    "entityType": "User",
    "nonce": "0xf9f20dca760b584a7728571fe09dd1e53fd2e92e12e6e0a99fd28fa2ee918eb2",
    "signature": "0xfc9c9d253c049fc16f51f2d21a74e2a4ddbe24a5206f54cccda647f3e9d8f74d012a42e627958b39cb046631f1bf95a1de2e75170cab6ca143b2e034d2fedc531b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}