{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109953",
    "entityType": "User",
    "nonce": "0xf02f2f33f5624e6c6452fd8580322ad4cf37a9fb6db1900cd16b4765ece8aa7d",
    "signature": "0x762a8103a26144a0020a4f38f1df83a75ee1782cf6c65ee5fdd4080f7b3ef20359cf51aa75a912f07fe2eb5300bb34aacc34be49ecd0020603f6b3d554b7c93f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}