{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827033",
    "entityType": "User",
    "nonce": "0xb2da37df706a78c988b0bc1239184c38dc9b8d7e04f2f19268b71d6ef2efe335",
    "signature": "0xab1e55b0d47a8e9c9408894ab949475c455cd47435e7886d800ca51c3f568b267151d4b1814e0cfa1823c2376f441646eadd359d16ec85aafc0f6425a60e28a81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}