{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45563517",
    "entityType": "User",
    "nonce": "0x655f2e56df786dd1e9812aaa02402e5320e3fd54be5b7104d9cc679f86354140",
    "signature": "0x35186002f43e22451e6c30522444833ca5d2749a65baaa7b3f057b7dd799db3145fb5b5043b9af95d6720f5ba18ae8991d6a8d182c4357852b269d2474d800071c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}