{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7533",
    "entityType": "User",
    "nonce": "0x7b10edf1d38d741a4ef44bb045fe6c8c4e540ce75e108b441eda2d42d9a0c5e5",
    "signature": "0xf04c0083a351d972c521e3513923b8ea3338419d5b66cc34b1f62608dc5a515c261b74bcbfea24710a419d1a530c747c79c9971d50d48a24872b8bacc06730381b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}