{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33216",
    "entityType": "User",
    "nonce": "0x12e856ed46594ef88547ccf1cc7b06d0bb3b4b19eee93fd64c62673d8e7aca61",
    "signature": "0x348d11c51a13b1e5ea34952788fef7597fac6fbb275173d25f5f96942fb34d9d28b28c1bc30af35950b8b89339b92f3f7c049743c67480e64acff753bee26f9f1b",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}