{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd259284805bac4bd9106bfadca69117d54c4bcc57f40be812eede633e3526ad1",
    "signature": "0xd7140a3e1f05fd43749ab62607d1d29961cf4a02b10a8fc2672c3839971e90337bef73bd8d4a1971a701c9d8b157966a90adcb7802700a56f43ecc780871df631c",
    "signer": "0xc95EFE880463dc9E6fC74760701bBb0A05704C9c",
    "userId": "95927626"
  }
}