{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x6a83f48f576d9e0f94bb80a400713610a0e2313c1d61acd36d550460a3bfea45",
    "signature": "0x6f3cace48c93918e2976468835885f40a1d317ed7bdf50593db17491708134c935190ed72909ffaccb6232a38678e2148ec5ebc929d6c109393b662859d16ce91c",
    "signer": "0x5183F6e0300007e994a67bba9e2875303ac6dfad",
    "userId": "172638853"
  }
}