{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326430",
    "entityType": "User",
    "nonce": "0x2438cee0f173752f501250562f02c018179c53c5564f25bb7bee73d506b4f0cb",
    "signature": "0xa185472c29481eceac5302a707ac4ec7e8009eb4c00d9dfd97604131d9e1cbc425a4341c953f6fd8380a168dc41e4bf352a3718b67b1c8b95b275e8c2d5339961c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}