{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x69337b98417a21c125ee539fc5c62cd0f95b508c8c70dc6071fa593fd41b3de2",
    "signature": "0x67953d098995116b16aa370753584e540948713b36e8b66fbd179d356f6602bc044081128f75b977acefd154c9e91361679ddb9a86bca7791c84e92aa54d90f21b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}