{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x0b4d3cf31ddbb80142b6b1b5fa5d112eaf87a63d88b1f50e7c3d791cafc91954",
    "signature": "0x93bfbc0ecbe7e52ab28f4aef9b25e2d162b47750016f30696434cc7cd1ee17aa4f6cd848be9d2a4fb9acba4df968b990f189ecfa1cdcdca653953ee6f81de3a91c",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}