{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x6bdaa25820f1605fff357d6fc5d13093fe27956a17c89f54406986c613cc1b61",
    "signature": "0x132166d470dadb81eb1d630a8b663511b5bd9d89834521e3ca9f9f864a9840ad2710b2edb55e78b381d4f87eae2087c7fd1b15b1f42a4126259ac59da3a94a6d1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}