{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xa9f37b8eca9f937f71d0da321164d0670a3389669ca6479ed86923ad6ce8b988",
    "signature": "0x4352ad3ec7de6fa8e9fae45dcd1446df0c620bcfbde85c6e01903829c40713f126dd31c588d01ad138e9c7923cf32d9fecc72c350af7e8fa6e96cd20853dacea1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}