{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384526",
    "entityType": "User",
    "nonce": "0x95be030667cfb9533fbf14fae6fe2fe05c1f02158390f390e41423f3d977eb5a",
    "signature": "0xb9bb112b929302293ee0acac1f7531928ca4f129d7ac3a8adf851cbf3a562ddf7df170d422275a27c540e1db68df7cbf318dd99cd4ccbcc33f501cad976605db1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}