{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145897505",
    "entityType": "User",
    "nonce": "0x3d9b21344faa5be2a235f512dd599581c59f06c129dbbe093221a61a35e9be68",
    "signature": "0x8cc41417a21661e9aac16a7794b7a01b0614a77b84e3b855ac985de7d0d1c2765bdf09ee0c773db3155cf2f45a795003ec0367e35a7de5cd5fb0557049f97afe1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}