{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833349029",
    "entityType": "User",
    "nonce": "0x1d53e966389566fc2addd04e9440f88dca2ff0c0ae5788bb2c6d4b32117b9afc",
    "signature": "0xa2454ab9a41c52d03b6c4f356f3ea53f77993c55b710d3515ed9a3e08bdffb831427b56329b527b0acd7ad2a8396546e7380b87be299c0cbee41923206d0b3dd1b",
    "signer": "0x063914dBEA89B25900ee50A22fd886126FCbCFdE",
    "userId": "773349352"
  }
}