{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x314151c060b9a0e1ce9c48dc5eed7dd1fe94fd070ef3d25e0727967d4dd265ac",
    "signature": "0x7970ad30301d6772c79681972c949706250d20a2943ef06628f55f5bff74904976dbc059a6180054b974065537c505088bd6ae9a66eef0dd96f49b3908ff11cd1b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}