{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x283cebb33f6554a136b1a014f894a8d5af76cd0c4d8158bda6b186e2dfa49cec",
    "signature": "0xb5271abf42afd2b5cb425472406470bd5cd0d9bb5347c8eb7bb2f43ce9edea2e0a93a77649a99de266f0383c3f51978bec0c376d5590a82ad99cdd1a72cf89a21c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}