{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xd64a4845ac97b8f36223856b203c6537e9e3c68753a8f05126f3ec7a8171e19c",
    "signature": "0x5a54423450cd1d1a4aa15a280ff0dac45f20ca52768f41179d6ba3c9dbac6098653a015e7ccf9cc2ef6f50d943aa49131dd02fb79a163a5b45561a10c8195d0f1b",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}