{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x10ceadab926763c3f1e6688cb8e991864e441bccb761e71d6e2cafbd8938ba7f",
    "signature": "0x77f1c3bfe63a140b55522c38af765f3e70a590180b9754039027ca3701adc1100fa29c3f96a16edc01a7e9f9c6205094840565978cb0dab6312b1e023888d7761c",
    "signer": "0xa4F08d2DA471802eF47AbD37309579848284c98d",
    "userId": "656714525"
  }
}