{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0xce60602328e178b1cb2d4169980d454d3db68ac50a6c3034a652ace4aa220b50",
    "signature": "0x1d70b3fc8b4471aaa1ff3b4a7f42846aad45123181deacaf32c5da7d36e590f57191720a2a9e78184787c67cc42298f4a9cd8599aee85a02abd939f629aec80e1c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}