{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948329777",
    "entityType": "User",
    "nonce": "0xf5d93367543a72587e883b08041452bc105e30e3e2f19a5dfff1ae14bae9b190",
    "signature": "0x564ffce23744a77bf2e322e2e80391d548f5c44a1f1aa7ba48e129fe2bd1eb6805efe5d2ed8294bee95e161bb095608b53c9f5b06978d6a2243cfeafe43d85fb1c",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}