{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0xe5227aca083fa49b1f571f82c2ed350f9c59695cd56cc6c470fbf239eda116b3",
    "signature": "0x1f2ef412f0f4997a336f9e1db4f282480079222cc12d7e0489ece366b58d1b0e42f33f789f75f1a50e74ff74c6023af269bd11b9cc7664251d4e099b9b0709b91b",
    "signer": "0x942024F98F1B8bd6Cd58C6ADE468241BB1E3B6c1",
    "userId": "218914069"
  }
}