{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85684",
    "entityType": "User",
    "nonce": "0xc10e4658a8b90557839ba61c207804386e42133fd52b442b36aad6cf20d5b79b",
    "signature": "0x88d7c27e7412057ca6fe4104a4fc3af81458f4c8f22fbfad0047efda78fe9ef2119ceb7249ab8d4bd7d312fd624b9abc06c1830e8f3a245348e59559953598f61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}