{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "292388",
    "entityType": "User",
    "nonce": "0x87a4727d8bc65675df0460ce4980ee20b05698bf5ac13715a2a8ba3c2d73f0f4",
    "signature": "0xd809fe51be33b62cf5a1eb60a1cd335f84ea6127cd8fc88a72efd7cce10e07fb6c420967056a6ec3c4a37eec7dc02342a3936422c4305a86ef9a1a8a0c0a0f291b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}