{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0xfb48d6e040360c8dc1bb7038f597a50f2a7214b10c4333a5b1a179857b324730",
    "signature": "0x70b062526b883c8066e735bf47214aaa5c35154108d01f2a3141f50ae7e6488b6096c4eb5aa63e9900edcedf90f096e2c5c1c1a13314e60ca2f178b93a88297e1b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}