{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xbf894a3a88f64a3b315584ba17a8f8956a25c2831d0340af56711f38116e9322",
    "signature": "0x440ebad743a9ed0095f4c9853b5f5c591508ec757d3b5fa64451ba71a6ee13fa20066c28f9ff7611b684c68ccac83408fbec4b1580639155b963043b5013e2811b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}