{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x6dc180e4a53c35dec893fbea0a6328887be5c5e9cab63697a653500204d0513d",
    "signature": "0x340d0cd10794079949263e193970a952d32e3b168b6325de371a3ac49ce02fe956170133ee7538fd0f61f150bdb7de0294cdcce3499d0e49f27b2ecb752b08c41c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}