{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41682",
    "entityType": "User",
    "nonce": "0x94c8d0de303a10a55121e13c152ebc48e2a90ff697da03b0e1bdeb8562483081",
    "signature": "0x984f654f2adf822559e4a18a82e848c2f37735002badc3ec90ffa7fb1e4ff87d53c2eba505e79fd1ec04ad88d3ecb67ab0c3a190d9f980c114b1d37f82f0b5331c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}