{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12228",
    "entityType": "User",
    "nonce": "0x882e2db1ea813519976ca28d09460b4fef5e401f70f7a3d7e7e7c8b1654d3aba",
    "signature": "0x02abacf41028e6e4bd277abdda5af9dbf40ca5974d71facc6c53ca4bf2b770050cc8601f3e97dd376d335de1bb3fca0882c3e9db8c89ad9cd17595358f82e4bd1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}