{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "749705090",
    "entityType": "User",
    "nonce": "0x5f89f76b79f38976143b0bdb743f27c0ae8ee28eca74702a2bc6bc5714765057",
    "signature": "0x03d3918ecd5bea1f63bfa6ded2dc23b6946e49ae7f948d5f36ad700226bc41df24b8af767fa0483d5cd83fff8cf2f75370e4a2b8c2df6a5f6a1ab4f097af80361b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}