{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10726",
    "entityType": "User",
    "nonce": "0x4c25f2ed7dc72679ef022040746ce51d661e1afb865e95addd2be187cb32108f",
    "signature": "0x1cad15836b22e43f7b8b0936e649b981c15271aa7e6c1df62faa60025f590f9349a3d6cb8eafebafd0fe6d76b220d5e522e32f26f2e5093ffd4b8eb38fc57d871c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}