{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341554118",
    "entityType": "User",
    "nonce": "0x1d7d667da43bced24712493d7a614469285752958bcbe36f5029cccacae30c3f",
    "signature": "0xb4658ce4dc7c305337917ee6525e6dda93a70be5bc4c93bf1e7d54755c6300a3025fdda856b2b9f261dfe27abbb753b6eda81979d2fef63f5a68c4916747b4ad1c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}