{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157226",
    "entityType": "User",
    "nonce": "0x8ee23518da92aae110611fcd3b91e368566849cdb5ff96fa5e5f2c3ec27d9e23",
    "signature": "0xed2d65292a7e4812d33416cb3d55723786cc3d53b99a6863f800a7ee50b3b0e1505c63ba9f6ce5626a98c15fb3a4b8c8d1df679b5b1c4ffdcc96fe43408009271b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}