{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x1b0672a3231e6afaa002dabe4368da9f7db09282da21a092e88a59f16fada717",
    "signature": "0xf201d78836bb6aea5545e0cbf068bb1666413b2a4007c8ba5a3c29bb7b48161f07b6c9f27a16562a356c1e297ad420700325b37340e30c96dc84c5985e1f61531b",
    "signer": "0xEba824e60AE7F4Dd3303f3881D36c4d4b9f1f4Be",
    "userId": "346741915"
  }
}