{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39312",
    "entityType": "User",
    "nonce": "0xa9ab2c661e155a77053bc23346068781e26b2e0302a4e34e4dd7cfb2b683ede4",
    "signature": "0x3bbb97f042f36d7dee78996e3070c78ca15f81b32001f35435b644b8b53cd9bb0e7574285be5c7f03f2fabb43abf877e89a5398b43ad61174d7d3ab312b7af1b1c",
    "signer": "0x138B6ac6EcE2bea5eAb147DBdDe9E1a09717a3b3",
    "userId": "736985209"
  }
}