{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51547",
    "entityType": "User",
    "nonce": "0x4bede5f26307f3a9ae2d702d4c0e7dd8b738a478027493d96d6e98b457588273",
    "signature": "0xbfa45bf4ad65552072727568387eaa4eb105968f39e701789a4848e1325ca2da49b780c16d0bed52c161a9621128288c50eb210750a1a3ba2364aea2cb23f2e71c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}