{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52166",
    "entityType": "User",
    "nonce": "0xedbfc5582378885f155c355eb0840b66bb22d05b7e07ad694b4aefb5cf58af1c",
    "signature": "0xb0137473dd13fb5b21ee0fd2978891e29cd97ebb1b8e446f0d9cea461743ca044125b8bf26c4384fb657fbc0bd73eac768c9d046f96b8122765b7a263278ded01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}