{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0761940f45ac72a8e9b59312ddf47a8e2a500c90e9378ca38f58d9005317dd88",
    "signature": "0x836cf1966dfaaa43416d8bc06f7d97f9a9f828ea02fd58c96679a953426042f366dabf5158070a89e00b7f94d288bf197e7c64facb8a048229d460a17d5eeca61b",
    "signer": "0xDe33C1C09bC9E9A8AF10bd9d91286bB2C590E753",
    "userId": "364575756"
  }
}