{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0x9957cc5c7766e10b21b9a43d6dadd3c13afcb04a2d813293a26d4fa6e29be132",
    "signature": "0x6e49879127f9e7df33f6825b2b7582e519650e240bfe242d106e1f3ecb50d84d3ade787a650e4d5113c12182a56d93cc8d49abba506015c45f5eabb5908043fc1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}