{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa26407f62923c1a660412ce8ef47007d54fb3af1ddeadd03f051f569a1ef271f",
    "signature": "0xe94fe96e9118d22ae546877e106fd542bc13c6c220e766e16ec6aebd62bf593d2f8b9207c2ba761a3b4cea4d535c2e95b0854e96e100677143bc989155eaa76a1b",
    "signer": "0x57fdEA8589B64C2ce0A1d0EAA0e7b63CdAB15d40",
    "userId": "51616172"
  }
}