{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x0f914c4a32051ccf1c1d6c34c7bbb17059ddfc1eeb970dc8d268ad4d2186319b",
    "signature": "0x1ea7944a66987f9e2160ca403b109b8b1293171755182a0f5372e26aad3f1fa1502db9f9fb60d7efadb592b484df80a87d3d0f6138bd6b88299b9c8189bc467e1b",
    "signer": "0xd0a859CF2624a008D7A044Fc8d234f7A34024587",
    "userId": "917830143"
  }
}