{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885753",
    "entityType": "User",
    "nonce": "0x4949c035a6e988a8045187305f17106b4598573edb0fa5933e93602d85b0ee0e",
    "signature": "0x90314beb3df823985b6f30212fdab56be762dc866c00cd868fafd2b5f0348407678ad036f518e9c62ec559d8439da602addb297d18819d50ccfb638f8825670b1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}