{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24761894f0354ecfc902f7557ff975da728b2fa692a80532ca4a3a92cff3f748",
    "signature": "0x8cd026e3cad6cbc22527d3d379c5f1783accdcb4b07669901a6a7f82c45eda984496594a00e14ccccb1a8f6635571a87ef07065c5639a17043b827d7886870f71c",
    "signer": "0x38c17D1B62678f37Fb4Abd9A7e61105E3F20Cb3d",
    "userId": "670838049"
  }
}