{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294752",
    "entityType": "User",
    "nonce": "0x5f818531a6fb941b99998cbc2ce25288c708cc93129392d9c8b3c2021254d3fc",
    "signature": "0x4b33725ab88019108f3d7bd1a0de267e3ddba9f91c8f7e3da656981d551085d950eaa10f6530d8de90e6df876c3a57c67cb3508c721d1f8fdaed801df35c1bf11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}