{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12066",
    "entityType": "User",
    "nonce": "0x7c9c4302ffb2bd8981a12775b6e4bfb5621e211c52b9ee622e3de7d1099a5300",
    "signature": "0x78a912f202cb663655822dc1aa8d5765e03a3863cbe265faf3160a679a39db4f1d349b3aaa1ba5d0acd4c9ec36de8d8b663b95152a9934da1aa3a6bf08d098e21b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}