{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77436",
    "entityType": "User",
    "nonce": "0xd35eb4668a248db914d23c010aefc65f2aa93a0292d42f528bdee223e3d1471b",
    "signature": "0x7b85d194d3e0961892079ec95fed7b943d9d5527c70c6ca5d0d0c0faf52d64de744114a09a542ef85c9108ff71c8d4a86ea2b8652cacdedf84fb03335dec08f81b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}