{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305012325",
    "entityType": "User",
    "nonce": "0x282a4563aa7b56f0f46164d9d9081175495b9ff2b80eb960bee29cf9077171a7",
    "signature": "0x20eac11683ec46a797d4b3b1794573734d187e9ff20935f50235954a718dde213a91b774cb79dd9eb72dd1e237e6a4f5844cd6d7fdab52aae6643bed0055d5cf1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}