{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48853",
    "entityType": "User",
    "nonce": "0xd1918211bf67acb8c3bce783739321f71b36c6bb5da1c67bb25f980f08fec7e6",
    "signature": "0xdc0370896d661fc6d7b4d7483506c1a41f1e6465af7de138ae4422cfe48a5e612d496f3cbca86cc4d23385e8293858be296797fd9bc527d34297b0bbce39b5351c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}