{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x6f241cea1969ab596849ba71d92cc90cae8c62447cc490eed367085f234fe4a0",
    "signature": "0xb0b7d426db0043fc3965b8dc3efc69721562b1efe2046c2436e0d13fc540a88d371004ccb0d3798b13665eaf384da7a88a4bea12bc02f9a06cc5ae1bb39362d01b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}