{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x81210ab25a281ccc0f0a1dd26b1bccb12f8232af0be799566d526d96db036fde",
    "signature": "0x89f47d081420a65b2b546c218ba0f45ac598632ed0bcbf7bac6668839e35c9d305eebb644e795c72f49890b499ecbb047e580ea4ce052cd74cc1bb97349b00971b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}