{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48250",
    "entityType": "User",
    "nonce": "0x6a545cb67f7f4a82074cfe58eb69bc2a40c212d44655a60c88e60a219b1f0783",
    "signature": "0xbf2fac9480908b2154b6ec14d5f16499c25bee9993385fe7366a9ba6324fe18a01bfccceb5b38445e779bc156c1ad35de36ce8946e300755f4f973e3f1f235b61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}