{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128195",
    "entityType": "User",
    "nonce": "0xf532b0277a7294f7662f9006016b98da9fc1814ec0530aecffec9230e7ef0e6e",
    "signature": "0xba53f6a2dcee2cd9bb516c4fed8f7f79eace543fed91ff12b0114e8a4df6b31a17b103637dc6b105cd3fe5c2b6fe5779d78545ff4c52115e64560a6369681fac1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}