{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226221804",
    "entityType": "User",
    "nonce": "0xbadd7b51d48fbf9fb9754d4f5169282cbd40c27595bd6e0cd17d614ce9e71a37",
    "signature": "0xaae8c3dae7d9b8205df9dac5cf08fc3611766b5801382b02c1be41143111cf21184e1c8e3d324e39cf8aeb1015bc3859de1e0da25f363805948a1fd0232f86e71c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}