{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394617",
    "entityType": "User",
    "nonce": "0xb93630d26df8b048cab243f7ad24541a1119781ab0389c84824492684d85086d",
    "signature": "0x975a5745e6bfbccea6c2d3d243d5aa74b97158f095742ec9bcbdf432baffcf357cd572f16be6802b6e24ed9ec1db4d133cb772fd3c413552868b987ad3e2b9831c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}