{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208381",
    "entityType": "User",
    "nonce": "0xd784de763e43b974e729bd1a656d3163cc1976919dadc254b1b68c05e39723ce",
    "signature": "0xf25ef8de8d5f455e13134040951e1cb725d0648115224b9b49a01eba4541abbe5031e0d1eee36b127d83028698c0f925033d97da1063ce0ecdccc897043227db1b",
    "signer": "0xC6bE407BC5b29e16c84cB9762105455F5d4ec4e0",
    "userId": "288313576"
  }
}