{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144602",
    "entityType": "User",
    "nonce": "0x70f8f9361f55cb3b19f8d21986c104672e4894379f016d34b1f1e092427f5e9c",
    "signature": "0x1cc005fa3be311bc563489ffb73babca4e36f704c95ccd012bbaff34c5432aae7c1102d23d884e1372225539fa1a9f060014feda315877ad9c2d3a5d947bc3791b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}