{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174",
    "entityType": "User",
    "nonce": "0xcba5997688f68135f30fd15086ada2e822169997d54d9ceae3b74897f7fdb60c",
    "signature": "0x70d102a6cec10830bb05c0ddc3270729b1a85935023520df3459abefea3f936f1370127714b11e6122bfac18a68630aebe6a6174354842f29783ed6dd6c76dfa1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}