{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x2b60355aadbb1a47d38087142a2284d2738eb975eebfd2eeff70572f94fec710",
    "signature": "0xbec4946bca821e18d99bdb21aa8893e0cafd4a6e13aed1bd81038bf3baa3301878c3174512f0bd64a2f55afd0d897ee760ecb0ee424303ce1208f894b40d737b1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}