{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33331723",
    "entityType": "User",
    "nonce": "0x1b2ebe026a7ba6dcb8aa2628c65dbb8d60658de26826e48e78586c93b08f06be",
    "signature": "0xc63ba670edbbffa6ff50cb76376a755c4702c9eef19844b6dd06809e0519a7e25ab52cc03db15d69860f20962b12567a2bab14da5192265e1270a55a38ef145c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}