{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211984",
    "entityType": "User",
    "nonce": "0xd30936c42d72edf9edb56b60fb684b2262ab10594fbc8ef25ea68f585eafe87b",
    "signature": "0xf5627f7f97bb611244995dd5161d37284f7a0c9cdcf10a8957fd5cf78627921b4fdfc0ccd853c4c4e25563c3ee2196cae158ee01ac2a08add4c69e476b3dd4de1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}