{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa05011d53a08a118e878e8a643820c8bc1f5ff88ac660f59da8b36624d11c8ff",
    "signature": "0x6395b3abb3843bede4c544aae7d26eb62d91ab323a984a097b821f62a537687f0f68e05d1f8c987db7e0e0d942e22a4ecffd22a6a32694400976f4dee32fe0c31c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}