{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441589",
    "entityType": "User",
    "nonce": "0x34082492e6cfa6f6e1cf4bc65a55c976c5dbafe3d018efb58fd3355a368fefc9",
    "signature": "0x2ce0bf6f31b051191ea90caf49956ab2093544c8fc7ee1e967d159403eddd2cf2035b65b487bd8701315ac95978da593b0ab5665f8b213bf9913d0999a92e81a1b",
    "signer": "0xC1598Cc966Bd02C29998427F7774ba9C3f3c5Fea",
    "userId": "19011"
  }
}