{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x68fe6faa3c7bd9fc8bf2c374e11ca1d8ab3f45e925af97c1a32c98357d4b47fe",
    "signature": "0x38639910db037bcdc4fdc831d11addf3c90d703dedba3f0690f684193f8ea4de7b974f3100ef1bbac33c5039c67ece1f40ef5ae8f539e3e1c1ee96d59ee204de1b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}