{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105879",
    "entityType": "User",
    "nonce": "0x6e763efb5529fb275cf81c695b153a97def39ca041d7b2f03e5674946798ec11",
    "signature": "0x8b947b090272425fb220dfcc9b97ced7c63c91027278c1274fb92c6b8625f885429cbaa0d728abc667183ce9f43a03fc61a10c717272a9fdd55e56db6dd61d7e1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}