{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x778312bce47709a522cbe5d6ead7eed86160f81c38eddf3a14e6342a3098a380",
    "signature": "0xd18f27c1d65c89aded4e2ed8c8e4a61171ee12cc9c0778a8e6dfbd8469ce98f16251df05d5c1e6744240810f651133ad31e43a946a2fd518facc42ca9252fb251c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}