{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0x23d7fbd46b0e5dc76498da67ead5fd14de0acf49dec9fc3022748239d373c918",
    "signature": "0xb1402815999ee50065b49860158cff9b7b3a0198cee7f143ba319342c70e7c7323b736176eae27fbe1a6f5b042513215e59d30c5dc6f2aaeb01c6b359a3a70a41c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}