{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0xeb88bf476aa4233f32e5d3a55021e5d6909a1194cf77fa8aa762729dbfd41d55",
    "signature": "0xede8436f4b392d40246ef75ae9408169362097feffb6d5bfeea5b418077050161ad209521295f6b4cf6dfc75855de491aeabfd3e0e6e398c615b5ea8c86ae6241b",
    "signer": "0x07d7a46761dB78DC1d68D03aCD251A2800940A5b",
    "userId": "199549318"
  }
}