{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80378",
    "entityType": "User",
    "nonce": "0x2b7c0eb6fa0bd189d8c2d6e796675bca2e2939c7db3dad19b4865b3089cc951d",
    "signature": "0x0990d4f0af7f0eccffa770857670680acbeddde7ebe0b97329b7a6f57fb7356848597a558904509db3a7ded76d3a546d1ac3d9c8d483a773db5779c2dd14a1721c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}