{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241215583",
    "entityType": "User",
    "nonce": "0xd2e3b8ab8662f20f19abe4a36652df26a558f7c4b481ec1172c04445216a7d54",
    "signature": "0xe94a990571a574d975c436dbaf9e92148241521436ad0412758cde82f474729e739167301387649b25d3d34ac10a483ae75051cce1f6d2e6d940aa7f776016b71b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}