{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37142",
    "entityType": "User",
    "nonce": "0x289dff2ff7341285d4e2c884af930471a16feed0a9900d41cd754e123c301d9f",
    "signature": "0xacfb468e324c93ac53d45a7ccd3240a356a4930fae31e34f25e04fdd3e8062a501164fecd19f5da1d53f078f82f8101eda89adfd700fb5c505260a198d8ac8b71b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}