{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13724",
    "entityType": "User",
    "nonce": "0xc46a97735fb08a3d4080bbd423c20f40572074f449497a725dc843d6247db06f",
    "signature": "0x9c9ad163a255479d70fa50447aeed004c3635f8d275c75a4f06632d972d3ac5d5ac5a78ee524c986429467b9b64b975212cb5a7d26d52d9e74fb1c82720cce511c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}