{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51278",
    "entityType": "User",
    "nonce": "0xbaea7030c883f09758595c395eec0a2788ff32da373cab1305c8a1e01f544c4a",
    "signature": "0xcac3bdae0e9d9a7c8738cd0a561c5eaa8be9074812431d7a7ac9401a1c01fba424f0ad0858a3760ea12bc3e5149e22f8e750eec7c96a70876ef26b824dd98b1b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}