{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x20962c5c1891c6d32b6035d9dd722bb29403ad761ea91b23bb3960f2e2395bb9",
    "signature": "0x894d86e072de710770f76fb4623aa85236eb158baf7a97b6a5d5e438dc3dfd60431a45f2fc4b955b37e63f5e407b66dfea5dd87db27580ad9b242343c847d1481c",
    "signer": "0x1f4676E66f85a00704B84876ae1B19DE3eff1F8F",
    "userId": "965243886"
  }
}