{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167930",
    "entityType": "User",
    "nonce": "0x9a99ba2ca74e2c61313595a8f6dfc786d9a2f236dc445924ac3d2485ca1e4553",
    "signature": "0x3b79cf13172261aee95105a9d4223cf587539781a26ddeac3fddc771258bc5f34cd83013ec2cf3678bc49ece91fc0771a6642d6cc02c2843d9ccd6b2a12b0f571c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}