{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "338572",
    "entityType": "User",
    "nonce": "0x5758720a7c0e93339f47730b40167e02109eaebaf8363a0efd8c1901ccaebe4a",
    "signature": "0xa832bb79d149a1da0f7e5c8dd96b2ba95b29b02ef30b7093f1a668825bdeb0d915862c4746f25288ad4be5574682330d4195aa600c643e464c8c9dc5fbb4a1e11b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}