{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xaa020b664e61531cd44fbae3fbd354e0a6c6399e946736c125fcb2610ef46dd4",
    "signature": "0x79172929ee6b56b6952578f7ec678aac1fc90d6e2887778496559b5f78d8cfb26aad3e8519a9af2c1ed367c5042bc6fc728d18e3d3c61cc696c2ccec9291650d1b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}