{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1dd85519339b93dcc6bebcf36bcbbfc5f407debbe000c63de817166bf1a58de0",
    "signature": "0xf5705667e5d38c256ee7398945f66111469f732eabc9c1f09020658d0fa3c3ce1cef44d8496812a99d48e0235b7e561f9d7a046db3f88a793fc5d3a9483b69201c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}