{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "255240433",
    "entityType": "User",
    "nonce": "0x7a8fdeb4500d1c34c07c022035e6a22a3ab5cb9b5818ebad026b33c9b3c84d60",
    "signature": "0xe2bb84f46325df07e993e1b98217d052c51bd61a4cb4bca460e78898068f5d791ad29eccba87d26faf0204db783b9f13f454f2fe1ff7eaea40d0c96c4d165bc01c",
    "signer": "0xAcE920C4d885acb68097D36282d4eEfb83d4c126",
    "userId": "986065096"
  }
}