{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0x67297525a6a1337cdc5708f1158384e37d3e0e8bbd14f3a45504ffb71b8044da",
    "signature": "0x7eb15d3a88decd755b92539ab71cd73f85dd59a2131f60dc9b4c303b2879db496c1aeebfb08f6bffe3e666c871d3e7c0923d89d9f7055829f3e6c99f290035701c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}