{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037029",
    "entityType": "User",
    "nonce": "0xb4b8c157da2b7284e438341b79ecd3efcdab4ca00ab68d596b4de23016179f26",
    "signature": "0xd1e9399bddec1656357b1c816f67cb7170f097203a024d9c3fe53d34db74cca657060a6171392e1fb6bafe5d37d8c519c253a489370040f8b17eb320030242a31c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}