{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd63bec2b9df2dad6e60ee8c7b56690a941285b4c9d45305db902cde9afaa8fa5",
    "signature": "0x9ed68605b67d995dfea79a46c771261b9a2b3255bd9981b6a4fec56c546fae0c52fb87bbbf1f76701344922b2e4d63b4f39e878545504143e95dd0cb3e58cb5a1b",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}