{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0x23a240cbb8f8f50a49ebe1ed924fc9f04095369c0b29638dc1316bfa1565a2c9",
    "signature": "0x9de563e43cdd9b0c626e820fd06202b488d325ca1604bb4972da70a59dbe07910d8a690f6f5ad8ff04230608e555b03f2eb0eb08a44607ed034153f93d5dc2641b",
    "signer": "0x7094144C776594790B5E922D084562dB60549BD8",
    "userId": "602217700"
  }
}