{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7d7dbb10317373a7c7220ada3ffd0d15fa9bd2e7cfde36a7b290b584ce9ac296",
    "signature": "0x3ffbc2601cfa7ad6b6c5867f71f587c1322e4a1f43aa1b6574122eeeea0912434bc4dab788da3b9d01a00cc5afc7684c7d5292b317760c43bcdb1b64b7ceb93e1b",
    "signer": "0xBeeC69d585C18C8A2Ea6993Bc461b88A44141BDF",
    "userId": "765334759"
  }
}