{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5368",
    "entityType": "User",
    "nonce": "0x8da0589999771ee00f4e35032112a6a2b1449411c698cf34e79151211e7b4f6d",
    "signature": "0xf7844ba626755b6a9b9a54eaaff02cc07501a1fceab74501a2cac25202158ec506e52cf1c97b827a003fd0ed003daad4287d2fefe20c2cbf1481ac189a0aef671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}