{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67405094",
    "entityType": "User",
    "nonce": "0x6049d0c64ffaf72512f2fcbb2109da8e4a2952de2d4b40efc5f4bdc5b11d4e48",
    "signature": "0xe631b49e24519c4f86a2d5193c28e1b9c9f9e25bc529575546dcbc4b69343bcd7315bf4cd381222237689b1162a6e116b5e074cba887fe38bc017adb690d22bb1b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}