{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x001ea7273c842ea1f1abe915647f4514008323236f108edb6e79e038895e1abf",
    "signature": "0x338b6936ce6603082973f1c1f7dcd0bab5a4b8f27018cbd999cfd5ef191e5ff45fe682add79bbe5cea60a77b5525c0304e140c792320d32f2ab87d786a512af21b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}