{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134823",
    "entityType": "User",
    "nonce": "0xa287ca9beb2eb56f3ec4569aee8ef2c8895567beea30a7c0abc2abdad2d12cb6",
    "signature": "0x08a91d8bf57548fccd37c80f0c0c9915c9edd525170ac6b5e77f4ae773b9a413202728907300278ce5345b231321f08c9099c78a63d3ad89024dff924c4a92b91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}