{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358394",
    "entityType": "User",
    "nonce": "0x694b7573d85302a17b82e41d62900b8e22dc71432fd8ea552e5ab9732f9e5e93",
    "signature": "0x8af371d9f25c82c81d59b41704429d793d5db2fbd2d43a5aeec6107380e0469b50f987b5d8e57d211b2105276d9f7285f391dc2452bd0f222b95be01a0ba854d1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}