{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1054101",
    "entityType": "User",
    "nonce": "0x0b10a16a42adb9044680cfd738f49d18dce4f9556b77f93fd13d7eb5e99bf465",
    "signature": "0x98f067c1349e53365b8fbb432b401b9512bf2cb584572b1bb278d9126cc1221f7ae43736e96c57aa3a89a3c2e8d17e477337f1aaafa1abd7ab7df6c659c0a3bd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}