{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41253",
    "entityType": "User",
    "nonce": "0xc008cadaa000536b78cde74df366750b06e30a5545937e2f60dfd4ca91c3c173",
    "signature": "0x78ba96d920df5765bad01bbdf5059ff9e61bfba56a11f46d5c5939a4f8d43e811b5b9a284cbc1a26aaf0966a7eabe7fd0a7900249c54a9bfd3a5e7b171dfc85c1c",
    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}