{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0295f2fc38bfebeca1e0bd380cf380e7e1328b0c971c707c32d98aa99785dc3a",
    "signature": "0x31f7d69e6a77a457532a965d910060b3556114d8ca521c9a36619d15aa0d41fb7ebc3318705f880885a401f89507ad2f9ae218f7c2342faa4689d753db5481991b",
    "signer": "0xD05c50E9379973376d0cA28B2404f66DF52d3570",
    "userId": "534408612"
  }
}