{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59593",
    "entityType": "User",
    "nonce": "0xe544fa290ed79c1b11f6db352c732ad4185a0930ce4c204ef9e4d8b6fe9bbf79",
    "signature": "0x343ab4ba2c8f6f9e2ee25b57a49e6af8d584129df0e214b047c1e34adf2411123a32c91a8fa3e059cb3df85db420647cec26c702a3e49078548cb702945c7ce11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}