{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "596750044",
    "entityType": "User",
    "nonce": "0xc0f27c1c747bb5d3a9c88608f15482edb8d7e21db55358b4d2947e6c71041704",
    "signature": "0x1b930ea71de233c29b86eff7bb026bcabb756fc2570017994e219f5d4bc8b13111e7d3bbb7df9d9596b8c48be5afdfd0cc464c778fe0f3ad693143e84b52898e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}