{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "934065758",
    "entityType": "User",
    "nonce": "0x9d2a7a144649f02465af609212713124c8751bbe81d10bd57bd9321f50ffbbdb",
    "signature": "0x62366a20bc74baac291d1cc0835a97f2bc076440f0c9a5f6463b06c61038729d5ebbf21f12e9764de0f2b0ae524fed39dcec78bf3f434cdaecb68e866af11b301c",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}