{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0xaca9f10492eef04ce182060d38c80cb6bbe1df6fdad09f699328ce2982587748",
    "signature": "0x728457a67f699eadeb4c63a319da76b826faf790b7c88edcc33def33023ba23640046a7cf80252801513e1fe6e787cb28dbd48fd07aff8f04b3a56872876cdab1b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}