{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x7e694d42230d48d51a55448610ad75138b6878194364cf3f44586194cb2d0c31",
    "signature": "0x8b63f57810e7beda775765007d8daec856978f889e682a21236b952f7b54b4880d8281cc5c39fc7ae132227daaf8b98cc6ea3524ceb1c8e52d8a9f92ad4888661c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}