{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112211",
    "entityType": "User",
    "nonce": "0x779dcd4fdefff1807256429408b3fc7daa810de094d6a806d3fd8f994127bb44",
    "signature": "0xda6a789b6115b741c277584af3c884868b5486cf7bb1d951592210ac2baf767f6a0b236c6a711581a11393f6ff470cc755b21a556149fb2bc6ee1faef746dffd1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}