{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "259118664",
    "entityType": "User",
    "nonce": "0x9c37d229047cd0313d8cb083347565423564ab3877b5743998205f54f925b4db",
    "signature": "0x09f63672ab3c34f3fb035c9302fa3a98d77c484b1ccacd8eb999d533b7e9ced36e021c07ae3e51026b1e1b5283c50a33fb41dc80d1d1baa28eddc696292b71871b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}