{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46604807",
    "entityType": "User",
    "nonce": "0x11721ea7772f236ac68320bed9f2f09293f32d7664a992dadd37e2bc73556954",
    "signature": "0x1f4add5d7e2103a294d06cb3293432e043341904321025f9c660f0a4aff17d8f06d0a28d37f922d14f9a6d0526af88e3ab05b91a5fbc69b64d30e290c48c1de71c",
    "signer": "0x6e2CEb8Cd4f0A669607De6c8686f7B2E15dEaed4",
    "userId": "597766938"
  }
}