{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809108453",
    "entityType": "User",
    "nonce": "0x867fb0386e8ba2d9b4c26045efc5212efcfcaad019aa9cbb3bc89f11140bde38",
    "signature": "0x32c7df9a8233acea1cc5da859f6eb41a4ed971ce2b2d36379660e533464208c172bb43bd201d4b50bd03854f1aeeb79232eeb2ad82d641a36f1374f3e46cb60e1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}