{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387399",
    "entityType": "User",
    "nonce": "0xcbedf24a68086c70a6c9f8c035fb472581e7dc5de830a9f4c2c69cfd25daaac3",
    "signature": "0xa280a19fbb625ac89ac4256b82d0d9a933f959e2891a851370377230946099630202a1c80718d5ec1111f7d1a82959256c2f5c223cc74b1efe468c2225247ca31c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}