{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117522",
    "entityType": "User",
    "nonce": "0x1a02ae40b8aed4c1d36088744f3547b230d3e01a3a714a89358997787212a9b3",
    "signature": "0xe8622344dcdd15c0107cf9335bec34cc9d482e46f3e03475da572433950211673a333caebaddaac4dd6da6501a013cd57993bdecf7daa1770d6eb2ad549053601b",
    "signer": "0xc28F39d473d5C4cacc612630A8798a119D1Bb506",
    "userId": "901788935"
  }
}