{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4314",
    "entityType": "User",
    "nonce": "0xc26daebc242f4ff61d8010db6162a905f02ff65f7eeafd6684741c919ee5771a",
    "signature": "0xb1497514582fa6b7d377845826b94f38412fce78e762852b96955cfc5899e3aa265f188266a4e08bf4d83f3c3a6deb70efd7dbee057f7196ace71e399dda26e31b",
    "signer": "0x54baF3dc36e7FEBbaD4b09efB20Cc32736eC6d2F",
    "userId": "754550492"
  }
}