{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92529900",
    "entityType": "User",
    "nonce": "0xb83b651d1a8b540625d1148f4eb47a71f4890316337efa5fbd1b1891adbbde0b",
    "signature": "0x4d7e7dc0feaee7777a5a4d7a48324ea1c0f7f1923af888014ca3e2aec10429ff14eee7159749a5a4a01bbfcdc4d9f4705eaa1a1292cf8ff710ca4d83c4228ee01b",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}