{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244327",
    "entityType": "User",
    "nonce": "0x1f6ebcd09cd764573651957fba84d1455cb7ce752fa4b946d3551f552968afd0",
    "signature": "0xad7f79b4947fefab357eafe31a115dcb3d5003eb391e1f76702dd07228c7171a3862b2f2f2a1ff08e423641e123c096a397e4aaf33b7a8c27a91af8331ba3f1b1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}