{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0x3d6c60c8f5e111d7db211f7b49485184f5823a877e2951eaa6c256d0fcb6920a",
    "signature": "0xaf9fdf5d655d0f7c1f7f146aa2528e9b9c2ce6eb7f15ffadee388c9bfff50faf5ea2f4c88000f5a355e116f15ca1653679880b8281125baa98aa7c7f0998a0691b",
    "signer": "0x57952fe23FC9B280A92679ADf900A4eB42305B07",
    "userId": "58414846"
  }
}