{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "415597926",
    "entityType": "User",
    "nonce": "0x60806c8be2709d74388bca12ac3155736326148f7c4716a837423a559e350632",
    "signature": "0x0b6316f37e44dca3fdec2bd085d38d29b0479f2763cfefbcc52e5a661b6391d418529ae912ff201be8602d059a0464bd42348b51ce8b50f4f43f255c8d08fb241b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}