{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0xc99e81c73f804bbb94cc803bc3cedf0425875043306c35d0936939dcd92b15fc",
    "signature": "0xbe6168a4b80bc592a8b9dd68eeb4fc927b4e4abb886c3a6643b114db6ec9872818b98f7dd1962e354e75115f49750fba0871ba7bf4272bda7e218f8bea86a5061b",
    "signer": "0x92d3aEA782A42D4B044a13a4727af9Aca3a0211F",
    "userId": "12615893"
  }
}