{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x588d93fee753295886b8edd6137f27884892b3f2fabfc5e77a08c0ed6bed5e2e",
    "signature": "0xadbc3dfd83cd2383bd77acc3dc54cd82aadfb583feb3d8ce17767ec4929d5f2763d3438f8da4770c8ff9f56640bb7aeac6533256cc4173a42f942b083e2b732f1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}