{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829465288",
    "entityType": "User",
    "nonce": "0x28a6a4110cbbc84d45a274c7f1886500f8e265b4f91a768f24651540c25cc6a3",
    "signature": "0xcb9dceb9c9d757dc3f5d5dbcb308055a598ab2ab153784fc91bd20f789d836346532fefff5b97d39a1da96587210f3eefbe4ad4ffce683ee6bbaf4a59f0355b41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}