{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461639812",
    "entityType": "User",
    "nonce": "0x0737bd97b411bf9f101913fdd8d6718669e06a6b15749d96eb908067025200b7",
    "signature": "0xff5f4210d56a0ae591d89ea98409a494a1d4ee07ca83d032bfd0bc03dded3be25adb86c3f60ad0e7b1779adcbd2756990773649b58bed30395d05711627c62c61c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}