{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144092686",
    "entityType": "User",
    "nonce": "0x8734bb771e08f2a06ed0eac83db6fc667b6aec101a7ea83296cd439cffee26e9",
    "signature": "0x13b15bb6bdd381247a58502e3489285d38d632b4d80e9a5534bdf67dd694c98a058eb9ae67fc2fd5952a720d6a889a987f27e267ce8b1ddfec04b0d99d0ae2d01b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}