{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdc2d5075180342fd1aeb3784f2e2d317b78156e08eb7d5bbcae6ef334fae7c19",
    "signature": "0xb5f2442c73750f8a48094341ad7c209fc4b3744610c615dbdf55963d279de49a47ee5e8fa06a4280571344495c7c67d49342fef079c488945b51a0ab1f2bad2c1c",
    "signer": "0xb165ae121a5F5cDB130437434b9EAA81c2f3434D",
    "userId": "885377074"
  }
}