{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38884",
    "entityType": "User",
    "nonce": "0x54bae401b5254802a8058f1fd0746b2ae54322f1431212a58f5d8066192cfbce",
    "signature": "0x4778525c33d4f60bd49e8a8e7ce0292ac214bc6f0620f440541657642d37c30d7f899ebadedd3e38a97826ce03343521c823ab8012963a27a5f25ab247c724571c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}