{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "983568397",
    "entityType": "User",
    "nonce": "0x234f95c804178e2d34f56a3d3ee0a0679b02b7210be5ce50d761fd61d0880ddc",
    "signature": "0x520e09ad6cff32bcc4a178d4152fd7a7a9f2dd4e71fffe63a29659358cea192205749e2d4166843ab41e3c82b8b7b8e5f4710608991c5363be883996d1b99f4d1b",
    "signer": "0xbe465AA25655a6E6b63480fC80284D554EcB33eA",
    "userId": "334539"
  }
}