{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x5a2cdda52ba2e869fb507185254ba5b0d9e75c20f225c83ed7fcc75e12971028",
    "signature": "0x398e5379676431444862a95679e38ca1a120a8f075cdbece8dc681714175c8bc4b4bff029200b932d79b5ff3191b39fb19a4a2a8fa2c2ee9c8b01c2d93bfe7081c",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}