{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa97ff4cac080a1e8a84c9647b997fd6b87929d8e7aa47d4301551e9c225e5836",
    "signature": "0xb53a2c1ffaa7d2c6bcb9f229d4d165d2adadbe83dcb33d0ffff9076f648b8c2c7752e201adc28812a034c074aee483039c8172da5449b03f031c43e2365165d11c",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}