{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0xee4cd26c1f54d5bab322de1599c5e207c0ff88f0935fa5a3ad6bab6de09166b0",
    "signature": "0xc75e09005096103296768e5e8f227420457cbf26dc0cddbde79ae479c19dd4020d7dc827fdc0b4f56a52858724c683234a411079693cc89da99b002bd341d3cf1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}