{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0x70644ed4fb6e84e0f4fe6799f836023945e6e2ea9b4923e537b5ea6e04e2acc7",
    "signature": "0xb48e6c0f3470f89cb183f201fc28e00add088ba9616656ad18623d07b660ebf50e0c1ae09f1babfbca5ef46befce0382f05552b429869dcd1f22bc5da96acc061b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}