{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100858",
    "entityType": "User",
    "nonce": "0x1090246095483c6d8c51f4cf15a210b06aff0cf3b77edf3255fd56a7e9c7a801",
    "signature": "0x93d4482788b2246f705adcc5161187e83c81170454f1c033f9737b38ea452e346eacd4eed9e3d02babaa5a85dcf8192f64ebbed4582bfa78fcabcbf5984c9e7a1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}