{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0x6013088bd4b9917d1386320d36e0bd4c05fa31673f160b2242873949f665da88",
    "signature": "0xd1b00bbbac4860590a9c0935484b129fc9ed9438e76574f5964696eb1403d52075b0894c20749a5f2afd799e1334e49df947dad5eb51b581b9fc7246d6813e0a1c",
    "signer": "0x7A549D70816B0554b548A07441Be55Dece68d9c6",
    "userId": "480675405"
  }
}