{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x24b10403dbcb3fa72b675b0d2f690fbd0b4b02f9590d42ef9c6eacb7dfa30e2a",
    "signature": "0xa60413302dabbaae47739545d7c14d711656aeb20c23d8177bfae9f02b9581182dce3fd06928ab26eaaae4a14b3358ccc0c5ed1a209ca8f76245a48efc6e9a301c",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}