{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790897098",
    "entityType": "User",
    "nonce": "0xa85cf4d3b249bf64eceb952b8f5486640514603a5e89ca19fa51a7d97f686d0b",
    "signature": "0x82b198f0dc65dde345c0aa9ef72c0c13a8f13d401f976cfec53cffa3494bc244395192f90139b08a303ec99bffbf02329c6938b80354c4a8d75dadd6c16c66f01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}