{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212318",
    "entityType": "User",
    "nonce": "0xa073172b8e36297d1fee32f427abaca9bfd5380214391496c2e59d995f71c58c",
    "signature": "0xf0180c2665777d8b713b5cb2cb1da84879beb33a43f04f8bbb51bee73e5cf1882ca1ff173a73c4576e0a93afcab6169a616e614d57bfe4cf5554a18b2326d5ef1b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}