{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x5ae4035d59c6ff19a193e607c0110c3fcbee1bfb75e7fd111fdf7420e0eff08b",
    "signature": "0x8ad35c1e04d9c363b420d2b5809ba2584b7c534bfeffc115fdb3bdf9b51161b8022094e669547bb2a380e3c974ad9a6e542163e14c4fbd794ed852a67c1adb881c",
    "signer": "0x086d965C79e3B8e6137f6e832ca894e8c012e3bF",
    "userId": "845727327"
  }
}