{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xba18ba5ab55ea4c4b9e317329d361b3c7ac382dc4accea381710d22ecd180d1f",
    "signature": "0x9c0d49b4a9cb576c32e3cf2b32e7878b4639a84372f7e3d9b169df5c67af4cf861830de22121a1a19c5e793b7d776c70962904f3c3e87f5bfda92676b44c52551b",
    "signer": "0x36bc6698D697Dc3869a485812450B1DB1f0a0c04",
    "userId": "400035644"
  }
}