{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1463955",
    "entityType": "User",
    "nonce": "0x4e5401dd04e71a37947fdfdf89bf5f4ac110fef087dc22afb0e3ac26e9a01472",
    "signature": "0x05565ee55780276c20e4cc57e61b2c38648e4b667d1f2eb68f80726dbd60d82037501789c99bb166be8dc53b2ba7a3b44b4d67f5771b71f365c60d250ec570951b",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}