{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67671",
    "entityType": "User",
    "nonce": "0x52653b2aa1ae6dce9124fac6c6e939452c8e84f0d607081f329a1bddbdbdce2c",
    "signature": "0xd2d3e40a8ea0348fe4deeef9f13ab3ec8b031f9abd5e981de66f07ea202aa34e3dabcb3565d8b245db199d65b9a20eafa6ab6527fa612476c1de1ab0c55ce2c81b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}