{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x238f01d34f522c8cc38f7e56888e73ae63a70d9b4526eba5fbfc02b2b344661d",
    "signature": "0x7d4aafe306670f83339b5473846054056692e6faf7bb20d0d401039891d07e6f04a7ddfb298d600ffa1d32c0255a33935bdb3617ee21a768d93646082e1fac761c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}