{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120044",
    "entityType": "User",
    "nonce": "0x8812581896d0962973acbb60eb5b74040f2b5a7116312ed5c51458e6c920b99e",
    "signature": "0x2a404dbb171a73dc732c2e9232ef46f36057929e47aa2d267a08a134d048ce9c33104e577340184d9154ed6dd201b12ffb0067dc4ab3c386f9dec5119e2dbbe71b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}