{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf23ef96ad54a0c888a12dd93e54c1aeb0878b145781405e9c757f41efd6a71b1",
    "signature": "0xf9b21cec57b033db6852a1356db2cd5d864a96a5206b8b1e1c7e6d6c06a9bea7144f9331f9ab94b3f491e95487cc3817f1f3b6e2153b010fda40c30c6c90f2f41c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}