{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "540848139",
    "entityType": "User",
    "nonce": "0xfd1e8fbbcb0bb608bb12aa798b413d0d42c6512b1b6161b4174510279762b93a",
    "signature": "0xb37227d252c2c8681495c2c5d705c400d15f266be916a5089b75e072c37b3861209c67578ae56b94cf227423914e22cfde2334fd480f5f102e6f5454a9531baf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}