{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "481080235",
    "entityType": "User",
    "nonce": "0x799069ee45370c0acfd85f9b82838314b1756eb794ce679b1a2103902e518d95",
    "signature": "0x36db5ead81152f358ac1a1981e2c44c7471572172694ca5cb584977f1c17165c41bf312063a4c66213ea43a10fcbc66a55c43f5ca895685ff10309ef41ccf5a41c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}