{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204585",
    "entityType": "User",
    "nonce": "0xfa5d3305c581f0fb3246575ed1b207b5da921d146a6560c7bd3f57ae0afd7439",
    "signature": "0x8e50c01057f146a0f1dcaed7e2d6d49d0344260043265e461f6d47c7cf2206a013f1364a09b0b640046bc4eaad98113fe74bcad03418ea0baa7cb17a4f7371811c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}