{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169546",
    "entityType": "User",
    "nonce": "0xa7e6460dc194462321f2d8f3c6847b08b52d52c549b9e20ff6af36a4fb094cf1",
    "signature": "0x5ccff038a67098446fa2572c79bbf29602360e78719847c91365187351cce6e6318952e504bd0eeba81c72fef5fb9411067775ea5e6768c86b9a73e5786a9bc01c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}