{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58973",
    "entityType": "User",
    "nonce": "0xa858a22a86d187057e961a56bb8b56c84a02fa5bbd6c7c36c0cef6c37e7be891",
    "signature": "0xcb02542ed074885a90bbc5c5a3171409f68cea107561e42d0aa498c4328c75780af16062bc37995ebcab3643bae30eeb6fa8dfe852e2d7920758fc36cec0bb191b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}