{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584066937",
    "entityType": "User",
    "nonce": "0x79d73b62c2a68460945696b1aacc51b7e6a31612614a186034bc36a46c6b52a6",
    "signature": "0xc0ed5823ee6c7556fe8c1ccd0da37e8dbd1f756e126f5e2f16ab46b20f6a5f0a2116cbbef71dab4b35fef3b95dc0e06f6165bf3fe79298188c741a0b5e7721e41b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}