{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x9b3626bf7369c041c21a5d2abc04de3f842f56cd5f1002c75af8f0f32b5b80e3",
    "signature": "0xe3be12347af2db967b9c6728531cc3d2a5a7b8e8048bea3879b3675954549fbf5b58ac5b0b9548ce7f13b1c1fbca569dc8f8aa3c37813b8688d82f6b36db3d0d1c",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}