{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0xe8a13a58a49bc08fb88c8d9f746e7cc6f0f0e64caeb91c88931c3ebf0a14abad",
    "signature": "0xd35dd0928fa202f49b19671f0abfcaac48d67e1be78e6431dab95b83a8c90c0114ffea849e13ebab7678d08efcf5c6cdf1057ca96c4daec21381ee505e3531321c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}