{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341470",
    "entityType": "User",
    "nonce": "0xd2fc5419a056a71d9d55631b30046178440f9d9df7cd3125ce9932cf5fb71f21",
    "signature": "0x2bb8b7ea9c97806fa8de952f7f8f064de31ab870777b9fce6bc35a4bf9ad25272066f04a88669131eb5527141d3f02ae7c2a3abbee712075d3d33a29c5e20bc11b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}