{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x9fe0f298815eb7cdf88947b27be07df545acc6e8bbf946f4ab9451a113e85059",
    "signature": "0x1f7f426dd3267ee839b2953a591def7267ad2d44443cace309a1649386cbf26a3cd95e18972d62aaf6f75cd421adc84bb0c5e5f3f7cac7c26b03ac3f5b8ad1a11c",
    "signer": "0xE8Ec1bAC66ca573950B30a9B5Bff2793f9CC5C29",
    "userId": "734516636"
  }
}