{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235256666",
    "entityType": "User",
    "nonce": "0xb0ef283ce7a3e3bb6a106aff791002825932623ebf8d75289edd2a1d40df415e",
    "signature": "0xe8b8517c8f94a160520a2e5d06645072b378806151e5b7098f443e7d1b8df58666583912957ddc31e36cbb24c631b65441a8ce4941fec1387b582c5f86e4306d1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}