{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x85f98251190e884f3563761f848543b83717fdbce4cd918dcb5c8fed0f884144",
    "signature": "0x0a8db57594314c51b0cd6cf7b9e2bbb1851fe5a1bcb67cf571dbda0848f07c2d05dd1a76ecd049fcdb37d7354bb1848126217a8f21ce023ff117de92d6abba841b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}