{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x18f4ebd93086d9b7fd76655be38947eda4b29ddaf52c4ca4800f378c333353e3",
    "signature": "0x7bf0612393fb0305adb5325a3a11f728e963d8a300de1dea3d9e6faa89aa9e464ad106b4e44a783564786d0f9f51939e9b27315b60925bb37acadb76b6635c731c",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}