{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "779730040",
    "entityType": "User",
    "nonce": "0x7a9110bfd07cb2ad056bd11f93ec2bb9cbf1636c7277e016222eb49635fb9ca2",
    "signature": "0xbaa0049b29d7606a7a4eba1d215b36153ce743033c38de2bb0487658ea9942f7000aa31cf1259b0e15645420580453a792bb8b7c1c798bc482ab3a6449eb086e1c",
    "signer": "0xa1962F596d0c21815F786Be31Cce30330233Cd5a",
    "userId": "653470626"
  }
}