{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10514",
    "entityType": "User",
    "nonce": "0x6bb0a7024889203c312cc989e14cb18149fa366f01387fbc5854e11e6407a6c1",
    "signature": "0x899eb14baaf4e5a08cd0ba52c97cb7ca465c939135ea962b83b6ccb144fcfe931d97f6f81111b6ca77e59413ab0a62a51aee6342a11c9fccbacf5d811d3103751b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}