{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x161703fdca7daa45164b2f5ed45afccdc02615ab7222405ba988f2d668212c41",
    "signature": "0xb4c099dc44b985d0919691d1fca2f2e7a284778b463419c2d11a6cfbcd7fd64a78c02e42ce647c62b52a588e3d60e9ea3a39e6bde8f248e429689fb4592706501b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}