{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3148",
    "entityType": "User",
    "nonce": "0x9f090c57139738a0726afc355df2a99d3f4009d70481eb804df4853a80c189b6",
    "signature": "0xa716db84d499379f9dce4baf127f26a9be70652b87f4085da2e353d362c0a5cd5a29f8edc84c1a356a6584708b1133348bcd23a825c7dc11da3274e5e86dee6d1c",
    "signer": "0xb070972972ef5B5E404741ADCAc11792d96Aa436",
    "userId": "228777558"
  }
}