{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326049483",
    "entityType": "User",
    "nonce": "0x6efd6498ef14f9bec7fa66eec39ef8582f839a596906c188ae14c4069ac0ada6",
    "signature": "0x3ef1583a1bf246d548646d11e082e6d15b6d7f6c78ae468f08f2707c61c600346c1d0910ff7926ffeb61c991a865ecd6a4ee42b8d041cb6a170e4cfc60ff97c11c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}