{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62628",
    "entityType": "User",
    "nonce": "0x04a9a285a3dd3cbf0e26316bdbf012342af5999d1e61bab48d33fac4156a5158",
    "signature": "0xcff2523a81cb6180808dde50557d8dc94ca94a7f23601233c81a4c4b3c17b8c21980ac16afc141ec8cf723cc22004334f8decce56aa51ea59aa9fcd5faf85cd91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}