{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x3f6b5539964fc47dde8549c9f930f97436467fba0018d69608528d4ce1d1cfab",
    "signature": "0xf732adb31253e2b4d4b2a2c63b84d15ee33b79a8f8cfd8935f5da3061db3458d29b610f41075e711ad849abe861fd69235b9c565289f17b178743709ba4480ef1b",
    "signer": "0x71A8b6263265F31bF93B5519CF3787Fa4A56e96C",
    "userId": "268524960"
  }
}