{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "440529736",
    "entityType": "User",
    "nonce": "0xde1f6841b63bcdfd8f47397b6be3daace2d8d926775e5a235116ed5b67a273f0",
    "signature": "0x80800ac59dcfe18ef75ceab48770469cfe60fd3c832a438cec5fd12281e0a7a302fdf15bf3f15dc5bda711ae815ba69c4e8c304bb2b730816a2d03ac1d09e2e41c",
    "signer": "0x6520e2111184F08Fc08dEFa3870B570cED436333",
    "userId": "427200537"
  }
}