{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x937832f6cabe2e3b4b7a1ed67916780ec6afdb6293eacdb37a377eb3e35649fa",
    "signature": "0xde6dab8ea7f4969a5d70e96e06778a6375506ffcb3b7b43c7ff30d428c95595004333e03f7c3b048ea0610038209094cd2bcec40de602002e64fbdcc1021032b1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}