{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5814",
    "entityType": "User",
    "nonce": "0xbe1cf83c9ec17180bae2fe51fc427986ab97689038c65138a2eb057d7aae26a7",
    "signature": "0x0669a19d1331e46b1abe8aebb101be6f1dfc8d6b1a55afec3eb541d17cae4ef80f3ad0c153c809c26d5a0e08fa494b2771d205eb14c778856cbf29ba163ee2e61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}