{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220244",
    "entityType": "User",
    "nonce": "0x342741998c8db75bfcbb907e1e28824cbcf00ea634b54189a82dd36976ceb07d",
    "signature": "0xd7c1f84f44d7ca8ce828ec8e402ee22ffda9514d56765efcecb88f5aa35a83da599959afe94ce60df8dc3bf6af8be5e589f6e77f2c0310cf4fdc9275c8e3daa71b",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}