{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174400",
    "entityType": "User",
    "nonce": "0xe0114385c5318a453ee257f62f370d47b39aefefd4153f8fb766562f6b7b762b",
    "signature": "0x8a1a8ea898d3de1b91f66daeac913de7eef052dd227c629d3dd90c0e25f8811628b9040ff403621a4f61683877bdbdf8b790de6afbc3d4f041cabe6c657e558d1b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}