{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80359",
    "entityType": "User",
    "nonce": "0x38b972fb7f4d1793b5eb2eaae5b3c88110c60e4ff4c6d936925e18c260a74072",
    "signature": "0x109f9b265a90e9b5ca8a9cb811e6e0299de6d7a271afe47b40b5c41e3a0fb9413abc13945977670959cb510667beeee9ef5f8401e133387f55484bc061efbf1d1b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}