{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486842310",
    "entityType": "User",
    "nonce": "0x356507ecdbdd00285aed1943a661de06d3af5c787cd3dcfebdbd0dd6d6eec879",
    "signature": "0x2eeee60b4704c1dbfe19a517190509dfb446b813aea3b9a6aa9ceebb371902375c4a7ad86af6024596d5b242a58f402d4244fff8472342ed1a66dd25246262e21b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}