{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308346",
    "entityType": "User",
    "nonce": "0x390c271222f05211a1916cc0c252d7717ac0f6aaa97f01509aab1e052afafe52",
    "signature": "0x2789f444ad27b30c0ae6dd151241e367e8cba10811b9673b09e79780c2338d913fb04cf3b78737eee03839effa8b906f30901c65d4bc1c0ac184e1478bd8a1641c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}