{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x848f6dd752b11b215d137f115bc3a24c900b1b9f4d11a5cadd040e2a4e1935ba",
    "signature": "0xb91074b0dfe8ddc317e2a9ea445e73022033a7187e77b3f2a4c723cf97a8b2d10c6100f7f92858e143457b23a92645c368635e9b109cc24bbe25076ac7232cf11c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}