{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0x072eed931fa150a38a98b2806d19a19b1ef409495a8e569a4e6fe3439201fa90",
    "signature": "0x4bed211a4c0ae5a26839f44b4a4a7b640a7d8b75665e0f376876f30e508ffb0e6ca312f515e593d66801314729ae058c8e9b0142bc10b600f26ac1f120cffcfc1c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}