{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "997330870",
    "entityType": "User",
    "nonce": "0x9137e535480619ff93b9f671d714f98d207aa9713b314f0a53d97eacac1b224a",
    "signature": "0x0758b2e256967ab96058f7885c43777cfc1703d02f84dec1894e1c79fc8d04b023b23d759bfa639e45372842cce25e9980673fd3dd53317fe0d6d958f81f90ab1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}