{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158263",
    "entityType": "User",
    "nonce": "0x2d0ecc3cf5afc8d46f278fd03adb262d7efcc8b4328590a4409ceee4668505af",
    "signature": "0xbeda83a26c78e6b6b1ab58b9a4837d3e804c0e8d94967c5ce30a931d7d4cd33044f32e208d5a67f62945078851b86a286f3abcf7cb2a144e009cad3be21f476a1c",
    "signer": "0x8b0835F94A735A9d87863C553552c6f277709234",
    "userId": "940831456"
  }
}