{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833426398",
    "entityType": "User",
    "nonce": "0x1519243434f71f07de9c1609c77a2417f10cc1ed6d0bcd41bd975f3f842d5d33",
    "signature": "0xf25a0d1e46b42861cb66c6112077f3e9765db4982058c7f62cdeeac88b713c4a2cea9f796884e625a465307b6a72013363330149b003fc4f3964e81cf149f8f21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}