{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x46a6d6ad8f9b868d1e9358cee22e5f4970d4a84e63f9f2560ef13cbeca8b2a59",
    "signature": "0x2c39345c574fe3da9834756c89db05ef4b381f49c1386958840f8b17270d7b652e79aa589c4a64ac3b296bb87f281c7ae754cfed55b376df66643777738b09ca1b",
    "signer": "0xF300c20BDBB459E009c4E55c08CFd33E12f8B0Cb",
    "userId": "782218508"
  }
}