{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317392",
    "entityType": "User",
    "nonce": "0x0371bc214f3399be6156c009e2741711337038edd6bd7bee54951f8b8bc151d9",
    "signature": "0x497c38ad0249dc65bdfed4b20b5f7b21fa3991a6a84b0c57800ab79b7b07790775ebd0cec7e94be1d75983fe7704d4570c6be5fd4c79ca5c44c7ec6edac444d31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}