{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa79dced2e41c791eab3e8ae667ce70ba00e13336229cdb2720966fc0fbe6ed71",
    "signature": "0x548a469e465af679541aec2237a723a3a316d5f98d47d9fb10e9fbd83a3037777634604a5bde39d486cc25dee809a87f13675c8ebb0b2d7559abeb993a164a011c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}