{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128574",
    "entityType": "User",
    "nonce": "0x1a9f9231f90f9099c5c6c107fffbd904c630af807aafca9aba0ad9610f92ed24",
    "signature": "0x1dfccd875357c4debdcbd510152564e79be98a9e9c7f2c65075fb38ddf52e3e476202a0bdb14b364a7234aa2ccf5daad2882b306dbb31ea0d2b66b983901cacb1b",
    "signer": "0xcF5801beAC04340637889094F04324eB09bf4844",
    "userId": "976132619"
  }
}