{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419942",
    "entityType": "User",
    "nonce": "0x82fefb5dc7338c04902c65b4b607811e2162d65d0cd324d04e2e44079c712b33",
    "signature": "0x51c2d0369847d6aae7f70f2bbd2bd63e0f5681132ce41d1a8ae1dab8f641820558e1a84b2b7d731c45f51c2b6c24e1491259db73a9f0308c2c599c97a7d740ab1c",
    "signer": "0x26b46547473Ba0Dc38d97A65153B8FAfB1A6cd81",
    "userId": "431544580"
  }
}