{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7792026b96d0484ecbcffe2bb20aaa2645717b56aae8b56a3fd8a101137f47d6",
    "signature": "0xcebde1a55fed72383a342b3e63b793ef382cb8a48346b786965ac24bad496e060bc1ea968fa63b18c174f6ad4c6a2793192ef53f964bc2221e8fc0c586c5a8261b",
    "signer": "0x032353067E6A79e4D3c78a727050A3CAb9964e5D",
    "userId": "834784522"
  }
}