{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xfe9917a9364659e217b12305c945120c200b176876da946e84fe1c3b77bb1e57",
    "signature": "0x4b49cc10312950a517c3f558a3e1f6bddec230147ebbae2cb0bf52fea31a3f992b8d52c6756e07b4af02187e27af7f2577601ad2964862c4d70de382c595a72d1c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}