{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x4844d39972fa4692f59fc9a04b9f9c7b991d221c7b750ec8d1feb9c45895dbaa",
    "signature": "0x9356ca4c33bbe024a5162879db20e407a87f7f316ef360bbab8175f16d9f3b6055d2759d906b07afc659c295bb53c1e8826651b7bd26de0827bd618aef33ca701b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}