{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6676",
    "entityType": "User",
    "nonce": "0xa208c9df74df0639c8d33643673e4b3e9144d5bd70808e0c6c64c861dc0ce2e3",
    "signature": "0x386153d383de01c44434bdb71d6cd09c7d292a3c7b4f60318f1248b91fda27cc00f0aa8cfc10b27dfa9265d8b5e3690c15191c8f62e05f0d7aab4a33c38c147d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}