{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102558",
    "entityType": "User",
    "nonce": "0x34f92633272063fa135b2734a09f3773d2d3b5de5e8366bfd6353db38b41a29d",
    "signature": "0xca69041f03c668aefa6b5c03d425ba052947ddbe05128500de1383bd7e26943c0d0ea9ab784d7ad9926d0d9f049284d384a740182abe4b97791394107546ee2e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}