{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xd94320bc4c15ce96889319ac9b86076347900e3376ed355683594b2ef726da1b",
    "signature": "0x3c959b5f526126f81261fb41de0d212c66a585aa51a99325b549a4009003007f645b2ea4ab2c8e9efd01c29774e3a52e53ea3b2e99000fe6290517055a4574f21c",
    "signer": "0x9b682c779356138D1D188CAB373b0F44a2d43d09",
    "userId": "512022848"
  }
}