{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "859175075",
    "entityType": "User",
    "nonce": "0xd31db90830841bb33ab8859649981e70f243de24c1a74d12f9dcfd99b05ff046",
    "signature": "0xb4d30e793f9cd37eaafabc04942c61c81aa960695c980969a80e53efb5c435353301627c0ed7d9e2620ea471ea3513ad2c350709e6bb63044a2e5d794f23a3e41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}