{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbaf93e707d5c6ce3f0be59ebaf5e0da1348ce9e379896ed8dca59d3774002b3c",
    "signature": "0x53268730538dacc6ef5cbc4011d68b12bcc83ed993985179c163d8bed774045741f0cd831592bf7bb9de1919e3ea6d8807c5f8202d3cc4ed95831087886f9a2c1c",
    "signer": "0x1961E82211635ca2869C701e71e4b7ac0277c713",
    "userId": "148365926"
  }
}