{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1ed57199edf34f00f6e21ed4e9b3879fb0ab2565040003904adf498b8add22f5",
    "signature": "0x09ed24e30a4f2881118777c452f1d50a088b53a1d962abe1787d3be9343c9b4443abb1f289d33a48823d3b1260bdfd1899ca7e15596ccc126290f0265275fb111b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}