{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x23d5b0c4d225bec0e20c2ace51e8685791f2f23306f6dc94f4a35ddcbe3c7df8",
    "signature": "0x23768508f6a36bdbc82685ecf990b99761db19a7dff970b96287448953ba3dca5b001ae36c00930b7e46a852abd2730ae03a368dc7dcccfc232510928e84d6231c",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}