{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36429",
    "entityType": "User",
    "nonce": "0x5003f40e2d69ece04cd720952259f6049dcff86a8f5a489afecc9135e39ed022",
    "signature": "0xd1820ed3498b11eafb330747e5544b58b0c6f6b8d15e6769ef1ada43c36089c638648879fff64df0fb55ae3c01ef3528c7946341d1803a095e63928c1ea596941b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}