{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1324762",
    "entityType": "User",
    "nonce": "0xd3d665eac7b758958a613cd2f178647591a9dc1806eb79860157de0539af5fa6",
    "signature": "0x069a17c7e2311b5b9a86c92f2cd0ee99d75ec0cf8100c09eef708171a822aa361f305f071021f23d3b2c655abaf378a4a8327b898dfcbcd952ec855a187cfd431b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}