{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58218732",
    "entityType": "User",
    "nonce": "0xdb4c42181da92be1180ca704f8cfbdf3f0c0ba9e1367e43a6c9c9b2cb191d482",
    "signature": "0x9e041dcd483f5002758ac65bdd6302f753b673833756c791f5b79f9e742576f725519919b1acae8b9f1374a76b318bb2b65479a93a984c28af9f400ab3a22e3b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}