{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "215386",
    "entityType": "User",
    "nonce": "0x8d70e2417d12e7c7ccba93aff6f5c4b0b1dd7b9738deed9b0a2d07ebb64c0a93",
    "signature": "0x3f4871fcb7cf0734521d678cbbbf97dfc62d716b77e07f835d77e6fc5992baf247d5295e28c2384b1b446b421da5c6cb7d12cb9cebd1a14df95f8db039e327e81b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}