{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67683",
    "entityType": "User",
    "nonce": "0x69572dba7ad24a477af8dd6e1479b58ed36457623f0f13a25db8472410f3fa26",
    "signature": "0x057cb045ec9dc3394788afe8e2bf939ef9d3506a1eb8ea9002a29a152f11eee0229e695b15bbaf532e14b60553555e7cb5234f6d42140d2bf5b9f801221ea0131b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}