{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460109700",
    "entityType": "User",
    "nonce": "0x74d5cb75060a51d065654c09189537eda5b3bd737adcf41798b1d3b667cf4998",
    "signature": "0xeb71d325744f147d7a803f6cffb15a456303f5cfa6aeb4c40daadcbd456f4210597f00a16be168369fc21d9afacd19a5ea373c8ff9933751e3fefd3e12fee6491b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}