{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0xc277a682074eb41942d09da6c0c6033affb6f23ea639290a9319017bf10673cc",
    "signature": "0x4c7fbb80edab92b8e49708d8880869c43919a977599e905de03a3791ef0f287129f323bd10b1df4e05bc42055ae9b51bae4d0c560a7cc59eedd21b789625a2f91b",
    "signer": "0x5Db8817A854307B6DC43bAC648d095ab03A71F75",
    "userId": "458682431"
  }
}