{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x691ffc43a257ad19955d5fe0bfb15a04954a661840a037e51a801fbba13a09a4",
    "signature": "0x6b3e3bb8a31346a481a8765482824e4bc0514b55ced6f79505e98b54658f93ce372c6cf63b359dc00d3ead61a70bdf9f9f19b2a65e99a1622e445d0d18a431e21c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}