{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0xbea1dfc9baa160499bbb04b09f5a289b1771de5e45407dcda4caa98b91393fd1",
    "signature": "0x74e9a76659918fd1b3c409a131d71436f3cd594ed3e82104e29e62e74a366b216b5c2a276c4f3dc6e0e88d232d6f1e9c36e4f81646c863138cda4495c652fada1b",
    "signer": "0x354889EF161222462763C44a53D025c1483b2d01",
    "userId": "228063281"
  }
}