{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98873",
    "entityType": "User",
    "nonce": "0x99e89f8d7579147bda92c4d54ca24a2ea017ab362f1d026d715d7e82aa1e445f",
    "signature": "0x024ac89f6fa7cd497a8782dd99a266200cdd4b288dd368cf3cfe934c95b7341c5301bf13f0df4aa22cd8f8202632ddd1db955e8aff64010f08373ff2a5ae7e951c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}