{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xcc0ce7b899ca6089c6b0255aee985e26e639dd2530b1223957fb723a3aa963dd",
    "signature": "0x1636f2ba31faf6fe1776c3696c67eb0a6730e70c7e6f8fce0b5d5ad6114a2fbc5583bc60ba3caf0cd33bc39b851bf7ed72d0911b2d24b865693bb719f878c1861b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}