{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102451",
    "entityType": "User",
    "nonce": "0x4df1f55d0459a0969b31a60f57bbf21e8282987e34de0d007c988c865013ccde",
    "signature": "0xcc3fdd7753049f50d0edf70ecde28770bc65d86823d04e5fa35db4ffc7a5d452131807c28f2525a0f360381be6feeab472233d74ac5447e351e8b8cbf1405d3f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}