{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xeca0e41311bcf0cab202a7fab6275c433a791a97ae427d4f2544835e3ab6f5d3",
    "signature": "0xc2b3392b74ea8b8528d24fcaf3b7eed44618f1c756c4c139d28148bc6a7d6a9a71c66baf9e03de764c1988b67c0cf97f3983c936047d7c259b6ab79f989c260f1b",
    "signer": "0x966447cca409C717A11458aDECa42847FE423AF0",
    "userId": "674042507"
  }
}