{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116272245",
    "entityType": "User",
    "nonce": "0x300cbd3b51908170052c46569999eb8e87412280247f76ccb7ba8c6b722fcbd8",
    "signature": "0x530895f4ea6389fe1d459d4f99afd1a78140a78575c6e7d8711137eea1f0dd11389ac402ef4295f97d6a8c263b0809fc5b347782ec1fd73ad9726cf97b5bca171b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}