{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386",
    "entityType": "User",
    "nonce": "0x1dc7338c8d125c3a2d57b760932614c1016bfe17642e8f14c393981c61d0f630",
    "signature": "0x47162bf841a555540fe3a35adb4ba7c905b6561337feaf905bddf045c27cd3023ce931ea0d1a4c23b665eee794b6fdde53fce4b5bf980fe6448d8cea0f8f716b1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}