{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6709621",
    "entityType": "User",
    "nonce": "0xbc74a800cc49d92289c7a9bc665a20610aad0a1a4216cd495cc5d52aff6e2387",
    "signature": "0x4318f9180de33b739e6c7a21adced5cd6d4155379f98cb72709fe512e2c9981f11f2fb5b2a90e73a3efbbf54d6719e489c5fd551381a56ab38beae85f960e98b1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}