{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59009",
    "entityType": "User",
    "nonce": "0x50425e98d6592803b2096b19840939aad2f1384bbea0982b13931da6e3e3f5c2",
    "signature": "0x4ff6ff35006208438f58c0fa8b1a6cf8481cb535b3b014d844e6b7c9859beb7b5f34dd9c73bda9654855d765094ea562ed87561b91a1ba7477040379799198fc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}