{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451691735",
    "entityType": "User",
    "nonce": "0x32a1202af13c98a335d3a3a246df830c0d1decf507ad0f98654667e8195ba3bc",
    "signature": "0x696b3103b7cdf0437b9a26fb2773e8e385b186802d1aafa8f0e669ef3781c13024f1a4250b4323cbd1a0fe719282cb2bfefe51431463f3796abf4a79f135ac061c",
    "signer": "0x86a8d0B0576f514420Bfba22eEB0Ba1E179885c7",
    "userId": "486842310"
  }
}