{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147449067",
    "entityType": "User",
    "nonce": "0x3cf702c9e98c69586587da58c33cc93fb8389ef6a2ffcbf7659385b57306eb18",
    "signature": "0x6b6c128ff83ba1b767b4de7dc26b99b4a58c02ff47b4921b7b89ce6c51753f0f5f86eb7bbc0635df2f10d93302d20d00b2bf55cd0b4378bfea365913a443766c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}