{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82517",
    "entityType": "User",
    "nonce": "0xe6402f12b763e9ddc6df3a19155fa7dbdaeae95aaa665ca6c746ff9b558abce1",
    "signature": "0x90c8de97becfe0e0cca00512e5401c1702b6d370bc7baa6ab1d8e343da8a1ccb2a90b4ee4fd6fff974f8b7ced9d6c74b6fbb0f4b28d29c35676fab7605ee78d51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}