{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136369",
    "entityType": "User",
    "nonce": "0x500408b472faa1ab937e76604d4942c7ec05b138224153008fb2f2f744eb785b",
    "signature": "0xddc4a7a42e963f2ff0f6f1fd0d88f60c8bc3eb410b123e03fe4df4411a1a1d6078f759622cd588ac906abf915609c1f167b05be4c34475bdc72e629952353ddc1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}