{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175201368",
    "entityType": "User",
    "nonce": "0xaeef1db7d04728b68acd33fb6eb01a6a29e50b611f5232e45f9d776c098b5661",
    "signature": "0xf5fc4934d6dbef573f1a2781a2aedb45a1a4348eb00c1409831ef27ff49bf986184f53103accb7cbe906ccd06f5b67d5897bacaef9be581d8068d670f378040c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}