{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfcb8f8f75fd3c5de1dba4a4e7c4fad3284079bf008b902d01b9196227edc3f78",
    "signature": "0x51a3445328d61225351d70be27d0832afad7265ae60bf4f5c1828d1029bdd450749844dedcc0c39e43e19c523baa0080799abf23f0634a88508a52b46cedfdae1b",
    "signer": "0xF497f02EC03ed7C82f33A74f62147500d0141014",
    "userId": "227196453"
  }
}