{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "705205",
    "entityType": "User",
    "nonce": "0xe257da8122964c82a2f1af320864c93bd27407b5f4838a99a6d860cf425dd247",
    "signature": "0xacdc6dd335d798dd156eca4c542558ae07f9ea0c2b14cabb7aef531b8c6a15014c2e4c09b6a45ae8589d02c1d7e2a90d99a9fa17e303f1f6f698ce72affe897e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}