{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961722239",
    "entityType": "User",
    "nonce": "0x5d1e6e550e7662f1771af83c43bb4556e70a525e9d6a28123af0b668666d1065",
    "signature": "0x9d7c7fdc15be7cda499e4f920f9baa91cc3f404ba4d4e09ee48c49e683e863e71d8bc421b8245c006b7c06274401d862f8c921366199be8160233af3d169e4711b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}