{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174964",
    "entityType": "User",
    "nonce": "0x095da942bdd9f1bc727c9d2bbd896b075ea6bbdffca69df1b3f0ab678158f9da",
    "signature": "0x7e57a30ba660bb3c02a5fa9386088fac1dc2e4ec1c007e206622ad5e2cddb72275ec62e5ba70b999a1bc119d1fab00fd4f7f7963322675e0ddc8ca7e8bd9ff821c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}