{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73150",
    "entityType": "User",
    "nonce": "0x3ce49cc6fb4fc8f39a2bbafd8d0098d21d687fd0ec82093d87a6d0fd16bef1da",
    "signature": "0x70e5f2633e6834e5939e35851c4d4fd11245399a5f963e35c92c15eb388221ae460eede780f2a34597e543d5718d58357b7ee5085ffc7d78df96ff9d75216cc71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}