{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x8238685b26defb09315ebd5247288478b500f1843fa1902f12d43bc0d3491816",
    "signature": "0x89e5506a833b8234fa1ceb52f311509c76951181de5f3d5dda8d93f52a83d75920559f7091c8c506d54c155b5e14ebb80c968ef27c8dac3eb154a00db720f1431c",
    "signer": "0x6ecE2D82C15fa37cd66A99B21fffD5ad71a32457",
    "userId": "71132378"
  }
}