{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf9b3a2f89ce8147c336419af78db654dc3c1ab37fae5320316917ffe13f871b9",
    "signature": "0x2b76ecd4ac3476e7a23ec4da6db03d85e847852d937e27aecf049674cd89a69549bce53ec48632dbf9983f6ad4c8edd8dffd3568b0f13784dce72591644da7661b",
    "signer": "0xFE08731640B1Fa86b12a27122B9f3EC699F30aeC",
    "userId": "784099162"
  }
}