{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323186",
    "entityType": "User",
    "nonce": "0x5c9168ac8d1d3073c6448f8cd13deb41ed1287be53bc6bbd8014cf86bb6e2b16",
    "signature": "0xafedb0ee85402e53adf50ed2f3f803d385e1e7ea4708c9e57db4f6dad460ee8a4832fcc2731f513ad6275b87b8b51702312152b8b1137908d09ee1fad734ca951c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}