{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762513050",
    "entityType": "User",
    "nonce": "0x21f157c40a2b68f31335192ed8743a56cf1c548b743240baa2e539bf83dd4e87",
    "signature": "0x7134ad8f82f7cf2559eeabe4eaaa7441c5cb9b1c0c58341865709a987275e3193b7fe3a070f184e8c6d5b1a21106b91758a12cfaf95e6498241e629ac2d27c5f1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}