{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68948",
    "entityType": "User",
    "nonce": "0xfb1dd4f1d59b336398dfcb0a1ee4317f1da65c69c9da228fa7b3b0cfa141003f",
    "signature": "0x9578795678e8abb57219b9b1354416268a984d0402140b76d9e2319444cf6670178a3628405b877ae4647fa203117c4b910517ef267e9b2ca8392ae235f9f5421b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}