{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52588",
    "entityType": "User",
    "nonce": "0x12219dbea26eee9cfdacfe420a02f3f40ef4074f7a9da9ed6bd41d70eece2a98",
    "signature": "0x12818a9c887b81893f5fcd16281cb4d8a46d9f130c47833679b574983b1259014f300cb07da62c9b73975cc1e7440fe89303c004d9de3bd390db904d105d68841b",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}