{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398460",
    "entityType": "User",
    "nonce": "0x83b544ab0ef74498e6ab2c5d5e4e7c96212746f0dc5fd6f343f740b68de57e03",
    "signature": "0x8788af5339532f9a33e0f9be937445fec409c72789eba12b6a1d6f0b100805136b0d0b0e93d93f10eaac24b766d95e6df3fa8b1260edd1b28f26497bae4a39831b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}