{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0x964600c32bd10aba7d0509295480146b180a70259d003ec3e9f1b802356d427b",
    "signature": "0x39a01893a688a9680aac4e390d72a025fba24f3cce87b5970f4f34b8d082433c2daceca6441f14932d4aa111bf5bcf85c3c67988ed029d2b2a6218f4148adb1f1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}