{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947034961",
    "entityType": "User",
    "nonce": "0xf1e52d566a93bfd5cbcabdc547d6ef079e55d16e6c6780d80eb4fb42bd286fb1",
    "signature": "0x8b0041d5b1167121af807682e0b3864967abc7519699cf2ba9e4a507bd58d85d37c7207b9c8245250348123b6376d1bbd159914ea49677146479c558a4ba7bd11b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}