{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227916",
    "entityType": "User",
    "nonce": "0x62d7d1c344ecbf1194f9a8d06903e8bdfff0589ff365b681a025c06ab4e54ce3",
    "signature": "0xfc06a482a435c46e563b6e36e16f222b5f44c43c520c96fcee03422daca57adc4c3a0d11d968a8d9ef4b5c015828219e78a9c43f09cc8b3a9706990317dda6231b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}