{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf3711af75a4969741baf8b290fd382c482e965a43a3cc65b7ae20c92fa7f3287",
    "signature": "0x4bc123f6bd81371c38d4b9395bbb3d902005b7aac2098818bf4c190f9baefcdf587d1ebfc6aaaa2a2880c7c8c2a87b55c35e68ae4c4be175a89f7c00a1d844b21b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}