{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "700202",
    "entityType": "User",
    "nonce": "0x711f3754e14077c0c7e9ba327d819f2673e7b4d0ba1ae2d678adc2e784bbf883",
    "signature": "0x7bb8226fdd0cdb4af72f3efad00d8a76cbafe93f70009097f8a4bc3e8f6d3a431c1e45efecbacca698b963ef3b272b6ef79b592f1b2c672001f275da271ee36c1c",
    "signer": "0x646BEca96ab04bFb6DD725EEBc0383e1Ef13deeE",
    "userId": "588448440"
  }
}