{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337364291",
    "entityType": "User",
    "nonce": "0x9edc36cd0ac0f4143e00d45c44a613a78e37813282252bcf6a5e09b416276c9b",
    "signature": "0xcd40200e59ea4351985ff8f61708f2d78916320e86fd63642dd9eb55663fb54f3f6c5eef27f8194c62e916bc49f38c1c6abcbe942d5be4ac2bfa7b4d14fc92ac1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}