{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "620449233",
    "entityType": "User",
    "nonce": "0x9ee6de3d9434eaba29ed60316434d8b9595b4a2cb130557b55aaf54d1c40a5f3",
    "signature": "0xffce998e1468c429802ab15e64253c12d6bd67cf8780baaeccc8f3cfd688f5796414db1161c1a7274cbc1f789147eedfff2486d334990e0faec879c624e7fc441b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}