{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0xeac894cb69cb4b551d7e459b6fcb3a68aa6de57c230fe408c24fe35bc71d553b",
    "signature": "0xc947af2a229eedf3f95afefec292050955c5c8cfd49330769983f210e0e3e07270fcc7a00e1d28472b0e1f04ce4f2390b7ba774ac91b243878c7c22c660ee84d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}