{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98003",
    "entityType": "User",
    "nonce": "0x5e2229565ce354e919940924d700f0a4f9e1efbce0b1919f89096edcc71c5d62",
    "signature": "0xf658b0669bfc3a096ce15a15905fa2b0f5f59595e2bb28c856b70926fb210fe872a0792e804afc098f8d9c6e2ea4d53c0f0d646be39ed0393152528f3efbf4141b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}