{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010728",
    "entityType": "User",
    "nonce": "0x91da9ceed47cd915b7b78703c5c3fa60409e401f4f93b0db3b3cd572be9981fe",
    "signature": "0x8b9deae903604be86ad245b722bdf9933393cef9b42d8e9a4f53d908ab2b31c538d715d2c1f31a7c3525242dd2d8ee11eca2d6859671c4858a928b6f5e8eae761c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}