{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89625",
    "entityType": "User",
    "nonce": "0xe1cd1b61c905465e59ec84a34fdd917722107214099b7ee260e7d534f8f4945e",
    "signature": "0x8e6e491d938d94d797ecb5219476f2bf362eb02f277b3004133189c74b3598ba78bbc36abfbe917886674fc83098985be0a06008e145f6fa2558bbfa294168021c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}