{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582464754",
    "entityType": "User",
    "nonce": "0x448e4e74cdc6536d9fccafd180219eb18fa65dd241043cd76a588315d1cbb3ad",
    "signature": "0x0850e6c5cd312fe08886d91246df720c274feb797d43761340198325754ea37c4c2af9e03f26c652fe72e1f4325d6fa9ab64dfbb35f9146158f34ac6dcd2950e1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}