{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0xa2fea3a7b14dfdb2a23ee49187fb0f916f79747c0b1b81070dbff292027e1ccc",
    "signature": "0xa66d2449121060b8f302a87ef58f011eaf25a33d815e4aa59f45fb06f677357446d960bb710fffb348e2753b53bd1ed580524366a5117e2f12533afbb3b80bb91b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}