{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139276",
    "entityType": "User",
    "nonce": "0x8c18de40519e4edc2bfab31e8b826aead474cf8e4fa709535a723e7af10f29f3",
    "signature": "0x86b1ce2f90ff42e294ca7ffe5dcff01230025957134526ce7d722c80c92d8ae50ec0403cde5efc15c85de1000fe7f07ecf4972a93d4263e6abd2cf17d424c3031c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}