{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317707",
    "entityType": "User",
    "nonce": "0x49cc34ddcf20716e503ec85433ca0bc99b5e61d0cdc31621e3c56c7e657b48cb",
    "signature": "0xc1bbf380ca94faa1a2b096d0295bc6baf1ac9e9291e93db2d868b67b61b7ac836b9885a67d8c1df8337c1aa4c1977c4127fc9519af2167feaee15d29ad2f282a1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}