{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x48af81a2fd1fe31884bd6511315dfede9adcb36a5c7b2e5b0d7cc8f532291c56",
    "signature": "0xdf0e5915e4af7f40b0603fa7db2a3492a1e392878c29b45c32e73a1e5098502626335a4b488baf50e3359416a2dfe1403da9dacca4186def8bbca3421aee2ade1c",
    "signer": "0x50136bc73d708Fb19Aab7302A3b581BbD644CaE7",
    "userId": "776994971"
  }
}