{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x463c65a4f5d9f86175fca17389d3176583741a80da14ec8cd98d84218740cdea",
    "signature": "0x73cdc4b5177c52f00b6777819f7848f647775b421bbf0f12b67102bef67e1b7f4a4e64296976a44fda37b35b3b30a409f6e3d33684789c9230aafae80a7d09ba1c",
    "signer": "0xb1706D753BBf0bEd5084443ce266B6E8105167BE",
    "userId": "670186204"
  }
}