{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106074",
    "entityType": "User",
    "nonce": "0x8b3341a2048ffa60764b002055edc688a3b782d6a67747765cc67bc101f79c75",
    "signature": "0xa788e3512d1ff5726245116d3bb66f387c4093b1c7254cb5ccfd34f777b1734d1ec1167a84fc590fc0c5c1b151c5a015238fbed3f7a0eef34cbf30b53b8cd5901b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}