{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x4e41c93b1be0b66dfddc7cb3a83f43bea4ee8504d38ae9026ddd5d60eab41f8b",
    "signature": "0x1895524702c7f5dcf98a0ef5d4c2533f6f1d261cb40131bb50ddbd287e1d66421b9e6f3fc0e261caea805d2f6ef1e8e5d36d9b943664572ba1be1e230d47f1411b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}