{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6385",
    "entityType": "User",
    "nonce": "0x55fca958e874ef21f7c8bdb8ede5f89f54edb0ae5838148aa59620d2e6d95344",
    "signature": "0x63a5a522807e27d8f18e87b179f5cfd70422df8f5e191ecb2f4af1a28c760ec723d116dfbacf9bfbe8e4662faa28c646112f23264221ccb1e84776642b9597941c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}