{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137494",
    "entityType": "User",
    "nonce": "0x4462fdf67131c635c96fa1d6e58fac5d25caf0e051fdd53888b9192227831894",
    "signature": "0xb7ebfe9bf9c89d1ce6507e69d9e4ae9c8a115380c44d13e7856105740b95e53c4aed832925ac752584591ff79e9e99f070a403360178f9e421a5a5944b1a27151c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}