{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202541",
    "entityType": "User",
    "nonce": "0xda8cb5abf1b7c3119090e71796a3c760b56aaba1a2389196f46a25d9e3954993",
    "signature": "0xe4553d4fad3a18fc596a4ca7f96c70a788bf2b0f108d0d2e1ca73149f70d37cf17bde6289c1c52d3c5c781e41342c6fa0abc12d144524fdaaa20e2488d9486041c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}