{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214167",
    "entityType": "User",
    "nonce": "0x3efddba4a8659ad6da80f4f777881eaa747bbea62cac5be5120898168e26955f",
    "signature": "0x83ec0569e28d6b5cd740cfbf4864b0ea42ce36b557f229b3a708c8e60ce4a9c157f539e800d4d9726dd33f8fe7145b789907c210e2b998684f9824b02dda32951c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}