{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "884579524",
    "entityType": "User",
    "nonce": "0x98b3a8fd74944b67187823964e0ff071469de34eec4c78809e53ab82c00ddfe5",
    "signature": "0x835225a4acf061542599e42e0717b2c35140d17aef138f6a74188b85d18c8a5f7a0fdcebaa4b12dd29e6c7815961855861108f10f6ec3c910a1a74e4f08f740d1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}