{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239101",
    "entityType": "User",
    "nonce": "0xc330a0ee0be6af5f1ee423b85c26206f448c1c9073589324283d0d3f7b552e15",
    "signature": "0x11bd995ef161b655c4efdbe2be7984c99fbc7afd84ed8e7c2c3ad14f0da86b432ee74479f21003b35697d0688f30820776589b6f0c69d9e3db69689f3a77ed8d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}