{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x4ad06bc13e43d5690a07711e6f17fbd5421e1b7d4e49e40617337e49f59d3394",
    "signature": "0x2c35d07065eef15584c87c7c0b1ff0b3d8f77399807ac832f60e1a2e5bfe387a4eb27f61a886e758e38b1c47eeab65b17ee71a5e466907726f745659b87e5f331c",
    "signer": "0x297B472Ffc8Cc4eB6B874Cc0839bdeF088C018c2",
    "userId": "897537535"
  }
}