{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x1a29812222e1b0739bdae27a612982cfaa116445897437f293f3726f0aba34d8",
    "signature": "0x05e4a43f2a1c710ce66158a0c4f82ce0601b92809381d018e7a8e0360cbba070062792cab6c069f522280ec6dee7fda135ce24303493655c5dead494d68024561b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}