{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x64cd31a91d0f0c7242ff4eabb1a37418882c55446fa0044d20b97576cf3b66a9",
    "signature": "0x2a9a6afac2fd0f3b8ab5730c92dc74f0d7a28159ee358c9dcffb07aef770bb1613e857844584fe91f528031cc174cf438bec2d24712a3989765ff7d04e25a13d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}