{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xfda3d423c8c9ed28e8bf35b319e4aae66466ad3bdfe4649db00ad67b4b25b782",
    "signature": "0x035eda19ffa9da244565f96f8320e7959cc21d864472b7cb247c2a2b8616796d1a4430833fcc06f872a8c447b1ceca434f66a652386cfc4c30fb7d5fe357a3a01c",
    "signer": "0x9a0fce0dD988cf6e406875F1Dd1cFDE377959EBA",
    "userId": "620773123"
  }
}