{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148048",
    "entityType": "User",
    "nonce": "0x068669b9ed9a89f9b55b7e9226849630c0a7f1b19185fde5c6c41e360602534c",
    "signature": "0xd99ea56c487c529feb242191519136b10a617af2a586a79ffd9c9b9bec06e7dd2ef62ca8ced4058d72963d97e1afc57ec2e3854e46d00cc083bf2f40f3b8e7291b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}