{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284786",
    "entityType": "User",
    "nonce": "0x6b2a6a65524b5dfe6033b4d242008c491ac0ab416ccd9a603a5c13a037ee4b1d",
    "signature": "0x26382272434d9843054f1ebf4a44fe9fea0ab0fc0af9acc99f0ba0ebeac4bfcc00e975aaba07cb334d9acb7ee1412e7ace623f8b91de50a69fa302945caaf5c11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}