{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436159",
    "entityType": "User",
    "nonce": "0x0d42f066616f9d4ce28f13d11b58e6a20a13cc3b93f207125fb7a3ef2b032275",
    "signature": "0xbe53ec8b2827774cb8d56785de10f7959a14a2a56d4118711cbfd4c59cc5c7c22de39fbe74137d10c1c5aecd5d8b3546d7af4f719196908e5551fc8ca90c9da01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}