{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707265359",
    "entityType": "User",
    "nonce": "0xcf078f4736432e06e0f57310122e54ad62148e62769c710b63a3eaa6581c4e46",
    "signature": "0xa3b0125e5a4d6ad100f087bab277ad49b0a7387e0b6c2e210be87f239fcc1e68602d17ea941bdf8ef918d4e8e8178032256ce20a1bac9609f7c98b86eb2ad4641b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}