{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925208878",
    "entityType": "User",
    "nonce": "0xe8bc4fb74402b9c958b5e3320d4915f41df0448990ff8f6abf5d061f7755adc1",
    "signature": "0xa9a8a7b824adcf036b26bf1be6c826db2b2bac951227d799fcc3831bd5bc8f935c8e46baf9a2df5a91c27eb9ac57320f67f8dd386cefc25865caefc6de792e711b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}