{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x29e02435ec7f257a7db1566f336ef206d42721f87712e727568ccc807c4d74f1",
    "signature": "0x2c86e0aaa5926e1161f0c64d7a82ca1a7119b1280bc3426636163123add1d1f86b9cae3c1c2d50389207e60671da75f40ba49a397e6099b0a9118f5f48aac18d1c",
    "signer": "0x262D36E4D0BE5Db62a56604580b9E534c7D97e1d",
    "userId": "164405765"
  }
}