{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xb4b327ff96bd209e4565d39571cafcbeb182c18991d3088d2fcce87ced29b5b5",
    "signature": "0xbf02c5e23b9720e6beae14886d13d9daaacb20d2bb2c1da22a4b146b92e0a2ea403c6c1203f644dc5a78cb4a1d366974ca7a4f1bdcdfdb0677047966f979c0fb1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}