{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0x76a39bc7ef3372adb4541605a6f7aad3294f3b1b91aa9aef3df1c774515338e4",
    "signature": "0xc79a95fe37ea217c67f51cb13343e38d6eb321842635d4fb86993db9f864b87467919eecd03dd3965f0f6cc34fb00466e2071693bf5d06fb601325fa2df6132d1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}