{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14757",
    "entityType": "User",
    "nonce": "0x6f4c86b49169769e76660d2f648d93814d38043328c5e09c8b71fc869ce3c7d4",
    "signature": "0xb9180d285d74eb1389ff166acd92fa6a209fa7fc903d0724786fdbb1c25061f64c46b9bb9683a95c889f78ad510fa71fb71179f2c273103428438f828b81b8281c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}