{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52918",
    "entityType": "User",
    "nonce": "0x206bde2a103a51eeb30f3773985c916f41176b6975fe30deab822ff6133eacc8",
    "signature": "0xb21fbb7ffbec9bda62e489533609a493e0e15a4b08f9b132cffc14e88d3eff355cfd2ca917ec1760286b954a57cb773711c2a0c239c01b5ccddff41dcc7cf4b81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}