{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6301",
    "entityType": "User",
    "nonce": "0xbbe09d2dede3b2384e41b9f96b6c35d4077e1ce62be4a609b624574bd1718dbb",
    "signature": "0xd03ce746cf09181ce7a608faaf4382da32edae9ce9a1d70d855c17ee884480c2262cf5defb05979fb2e827478b44335671a3be3b2092c8b872f7990981dfac581c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}