{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228403",
    "entityType": "User",
    "nonce": "0xc96a7e0539492ab61896d190070633914e13fd63e9ca46e75464499d79a32487",
    "signature": "0x55d4d2e4fb2b9742ae544d3bb7db4205508852baaddd7d4144ce11188cb33c216f16b4b9e0600516f0680126fa287d5f8bb5a4a319d0c5b0a6839fc804abb39f1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}