{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66154",
    "entityType": "User",
    "nonce": "0x0673ff9505a4ba6601399c21770f6d259e74d7c5e2e7054a84fe9b38d27feaac",
    "signature": "0x8a7eaaa8dacf92089f2f79c77b59dc5a22a0ac860776b0b53ca4a291da7a328718bf4cc1302da6ef218f088b1a24386601bbbcb9b036b6a0d2bd87644d4ac7e11b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}