{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286272",
    "entityType": "User",
    "nonce": "0xa3cba1c9888a09dbb8dce8eda30ea7de2da6dba3f44e8f141741e9201a0ce4c3",
    "signature": "0x425c66ac70961a6b4c1b2e5d162baa36361a15514355d45adb0456b482a092fb2b73e8f91ec71b661ba98d67f1fac7fe045edf98cd747d6a4082906cf40404371c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}