{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xcfe2e9605a15f27a72836603d6524de55ad2b3b7b680e226f1a2317476829f58",
    "signature": "0x69924c2ed81f096907d9de952d2c4b6d58f7fae17cdf49f815021a3260418a474955bc493a53342f4bda7e50c430bb160f336fe89a481672421daf658ab5ebe91c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}