{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa88ab9767c6674e819ff467275c4e150e63b5a3347f0c168b1b9ace8cfffd4ae",
    "signature": "0xd2ca31984718dbfd5312f1b3eceb79d0825d1f2428a8456d185f1dfa2ce3259f40df47d080b28daf9f8080701e75e8a29b7b3567bc28dcc196982ba937f35b731c",
    "signer": "0x926df7fa80bA2ba165a36C73d79f556a94B3fA50",
    "userId": "589493935"
  }
}