{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43798",
    "entityType": "User",
    "nonce": "0xf983f05e9951c23361fedc694d3b5587265212fcfb28dd1137e2136ef37c0895",
    "signature": "0xd2c2fb1b5cbf0ab1a5f42557ff19733bb6f9d1e22d0762f0cac34fd51a8e5b0f63538fc6a503f65be9bdd5fed85aeae9dfcde16491ff52fccab4ba4b2779bc481c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}