{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61768",
    "entityType": "User",
    "nonce": "0x4ddd15c446efe27a55c53fc602772f34c732990c716986ef69fb71d9d8c41b95",
    "signature": "0xb2965d367116463fb99b9a6df2ee555b28a1870a5020b3a7d328bc52157527b312f91de41867e11b6cecec3b236267f0f4db0a2107f8f19fda646437d2c201631c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}