{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76991",
    "entityType": "User",
    "nonce": "0x50f0ab6c2e54b37e39eb246bb17ee788bc59e5a96605834bdf42a3f2d07aa0cc",
    "signature": "0x57f066f387d230822d9f591ca6a97836b472809371cd99fbcff8619e293aa651118f2aa3c5be029d369ca6a4b7087cd367772bda2d6535596800ea53aa3575741b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}